4. TROUBLESHOOTING
Contents
1. e Normal Approx 400 2000 Q D 4 Check the operation of the Fan Motor e Faulty Replace the Main PBA assy f N Relay Check the operating voltage pa a between the red wire of the CN5 connector and the yellow wire of the MAIN PBA relay RY2 connector e Normal 220V 240V while operating 5 Check the operation of the Dry Heater Relay Check the operating voltage between the 3 pin wire of the CN4 connector and the yellow wire of the MAIN PBA relay RY2 connector e Normal 220V 240V while operating e Faulty Replace the Main PBA assy 6 After Method 1 3 if dry performance is bad Dry duct replace 52 _ Troubleshooting Error Error type Checking method Corrective actions mode 1 Check whether detergent is inserted into Check whether there is detergent in the the dispenser Dispenser 2 Check the connections for the Dispenser Reconnect the Dispenser connector connector 3 Check the resistance of the Dispenser e Faulty Replace the Dispenser Remove the connector before measuring Detergent e Normal Approx 0 7 2kQ is not None dispensed 4 Check the operation of the Dispenser e Faulty Replace the Main PBA assy Relay Check the operating voltage between the brown wire of the CN5 connector and the yellow wire of the MAIN PBA relay RY2 connector e Normal 220V 240V while operating 1 Filter confirmation e Faulty Wa2. FBI Premium model It is displayed as follows Lq 25 07 The Sub PBA option number for each model 00 FS BETTER 01 FS BEST 02 SBI BETTER 03 SBI BEST 04 SBI PREMIUM 05 FBI BETTER 06 FBI BEST 07 FBI PREMIUM Displaying the sub program The sub micom version is displayed as 2 digits in turns while the Start key is pressed down when the option is displayed Version A Touch button type sub LU XX B Tact button type sub nh XX L1 At At is displayed Auto Test Mode This is the mode used for the automated line test LAFE Ft is displayed Draining 25 seconds on 2 seconds off is performed for 30 seconds The high pressure switch HPS level is checked 5 seconds after the motor operates at 2800 rpm If a high level is detected a 5E error occurs If a low level is detected water is supplied Water is supplied for 333 pulses If no water is supplied a water supply error 4E occurs After the completion of the water supply and the HPS high level is not detected an 1E error occurs If the water supply is complete the turbidity sensor runs It increases the PWM duty until it reaches 3 2V During PWM Ft and the turbidity sensor voltage data are displayed in turns e g 3 2v 32 If the target voltage is not measured even after the max duty an alarm sounds and E3 is displayed Troubleshooting _ 41 Item Description L3
3. Check the Aqua Stop Valve Relay in Main PBA Check the voltage between the yellow wire of the CN5 and the yellow wire of the MAIN PBA RY2 Relay connector e Normal 220V 240V while operating 9 Check the Power Relay See the Power Relay error Water 1 Check the hot water connections for the Adjust the hot water supply so that the temperate supply 4E 1 Aqua Stop Valve of the supplied water is less than 80 C error 2 Check the operation of the Thermistor See the tE1 error Troubleshooting _ 45 Error type Error mode Checking method Corrective actions Drain error SE 1 Check whether there is any foreign material in the Drain Hose and Drain Pump Remove the foreign material in the Drain Hose and Drain Pump 2 Check the connections for the Drain Pump connector Reconnect the Drain Pump connector 3 Check the operation of the high pressure sensor e Confirm d3 Mode in Data Display Mode e Faulty Replace the high pressure sensor See the Data Display Mode 4 Check whether the Drain Pump coil is conductive Remove the connector before measuring e Normal Approx 1670 10 Faulty Replace the Drain Pump 5 Check the operation of the Drain Pump Relay Check the operating voltage between the green wire of the Main PBA CN5 connector and the yellow wire Power Relay connector e Normal 220V 240V while operating Fa
4. Replace the Main PBA assy Power Relay error None 1 Check the connections for the Power Relay connector Start the cycle by pressing the Power key when measure the operating voltage between the white wires of the Heater Relay and the operating voltage between the yellow and yellow wires of the Power Relay A Caution Check the color of the wires of the Power Relay and the Heater Relay Normal 220V 240V 2 Check the door switch Check the white wire and the switch connected to the white wire e When the door is open The Door Switch is OFF e When the door is closed The Door Switch is ON e He Power Relay and the Heater Relay use a 12V line If the switch is out of order the Power Relay and the Heater Relay will not operate e Faulty Replace the Door Switch 3 Check the driving signals for the power relay Measure the voltage between pin 7 and pin 2 of the CN7 connector on the main PBA e When the door is open or before the cycle starts Normal Normal 1 V e After the cycle has started by closing the door and pressing the Power key 10 5 to 13 V e Faulty Replace the main PBA assy 4 Check the operation of the Power Relay Start the cycle by pressing the Power Key Measure the operation voltage between the terminal yellow wire black wire of the Power Relay and the terminal white wire red wire of the Heater Relay A Caution Check the color of the wire
5. for 2 minutes after the on 5 seconds off order synchronous motor operation is performed for 3 e The location in the cam is In Test Mode when the minutes incorrect PE location is not detected for 1 minute In the cleaning section when the location is not detected for 3 minutes When the temperature sensor Draining 20 seconds j The thermistor is out of order data output is equal to or on 5 seconds off greater than approximately is performed for 3 4 95V or is equal to or less than minutes tE approximately 0 05V When the water temperature is detected as equal to or less than 3 C for 30 seconds in succession during the cleaning the heater operation The start temperature is saved e Draining 20 seconds The heater is out of order 30 seconds after heating starts on 5 seconds off The heater is improperly Thereafter if the temperature is performed for 3 connected change is equal to or less than minutes HE 1 4 C for 10 minutes the heater relay is turned off for 1 second and then restarts heating Then if the temperature change is equal to or less than 4 C for 10 minutes again an HE 1 error occurs When the temperature is e The driving part stops The heater is out of order HE measured as equal to or greater and the main relay is x than 80 C for 3 seconds 38 _ Troubleshooting turned off The thermistor is out of order CODES When occur Symptom POSSIBLE CAUSES When the button
6. 4 TROUBLESHOOTING 4 1 ERROR CODES CODES When occur Symptom POSSIBLE CAUSES When the number of detected Ifan error has occurred e The water supply pressure is low water supply pulses is less when the number of e The water supply valve is closed than 10 within 20 seconds after detected water supply The aqua stop is out of order water is supplied pulses is less than10 The case brake fails to detect the When the number of detected within 20 seconds after pulse water supply pulses is less than water is supplied the 100 within 80 seconds after water supply valve Is 4E water is supplied turned on once and When the target water level is a l not reached within 5 minutes All driving parts except after water is supplied for the drain part are turned off and draining 20 seconds ON 5 seconds OFF is performed for 3 minutes When the water temperature e Draining 20 seconds Hot water over 80 C is supplied for the cycle is 80 C or higher in on 5 seconds off 4E 1 the water supply section is performed for 3 minutes When the high pressure switc 2 e The driving part stops A foreign object has entered HPS does not detect a low the drain pump and the pump is level after the drain pump stuck 2E operates for a predetermined e The drain pump is out of order panga ok UME e The heater is incorrectly connected When the location is not e Draining 20 seconds The synchronous motor is out of detected
7. Lc e Runs the circulation motor BLDC 2800 RPM AC motor High e Ifthe HPS high level is detected Lc is displayed If the HPS low level is detected L3 is displayed e The middle rotor runs for 1 minute The lower middle rotors run for 1 minute The lower upper rotors run for 1 minute L4 Ld e Runs the circulation motor AC motor Low BLDC 2800 RPM e If the HPS high level is detected Ld is displayed If the HPS low level is detected L4 is displayed e The middle rotor runs for 1 minute The lower middle rotors run for 1 minute The lower upper rotors run for 1 minute L5 Hd e Circulation motor BLDC 2800 RPM AC motor LOW runs e HPS If a high level is detected the heater is turned on If a low level is detected the heater is turned off L5 is displayed e Ifthe heater runs for 3 minutes the heater is automatically turned off e While the heater runs Hd and the measured temperature are displayed in turns e Ifthe temperature is equal to or higher than 60 C the heater is turned off e When starting the dispenser runs for 1 minute e The middle rotor runs for 3 minutes The lower middle rotors run for 3 minutes gt The lower upper rotors run for 3 minutes E7 e The circulation motor runs BLDC 2800 RPM AC motor High e The synchronous motor runs by alternating the location between the power zone left and the power zone right at 1 minute intervals L8 e
8. Runs the vent motor the drying heater and the thermal actuator of the dryer unit L9 e Water is supplied until an overflow is detected e If an overflow is detected oF is displayed LA e Runs the drain pump for 60 seconds 25 seconds on 2 seconds off e After 60 seconds the motor runs for 5 seconds and the HPS level is checked At this time if the HPS high level is detected a 5E error occurs Lb Device Test Mode 1 Press the HALF LOAD key Drying heater Fan Thermal Actuator All Off 2 Multi Tabs Drain Pump Motor AC motor LOW BLDC Run Motor AC motor HI BLDC Run gt OFF 3 Press the Reservation key Synchronous Motor Cold Water Heater runs up to 2 seconds only OFF 42 _ Troubleshooting 4 2 2 Data Display Mode Item Description Display Entering Mode To enter the mode When the power is on press and hold the Half Load and Delay Start key combination for 5 seconds To exit press the key combination again This allows you to enter Data Display Mode and check the current sensor status Changing Mode To change the mode The mode is changed whenever the Half Load key is pressed dO main micom version d1 sub model option d2 d3 d4 aoe dC gt Repeat e If 5 minutes have passed in display mode the unit automatically returns to normal mode d0 Version display mode e Displays th
9. ctions for the Thermistor connector Reconnect the Thermistor connector 2 Check whether the Thermistor is operating normally e Measure the voltage between both ends of the Thermistor Normal 0 05 to 4 95V e Measure the resistance between both ends of the Thermistor Remove the connector before measuring See the Table right Thermistor table Temp C Resistance kQ 5 125 814 10 98 360 15 77 480 20 61 477 25 49 120 30 39 510 35 31 985 40 26 053 45 21 347 50 17 590 55 14 573 60 12 136 65 10 157 70 8 541 e Faulty Replace the Thermistor e Nomral Replace the Main PBA assy Main Sub PBA Comm unication error AE 1 Check the connections between MAIN PBA CN7 connector and SUB PBA CN3 connector Reconnect the power plug 2 That Error is produced continuously after method 1 confirmation Replace Sub Wire 3 That Error is produced continuously after method 2 confirmation Replace Sub PBA 4 That Error is produced continuously after method 3 confirmation Replace Main PBA High Pressure Switch error 1 Check the connections for the high pressure sensor connectors Reconnect the high pressure sensor connectors 2 Error occurrence after confirm Method 1 e Faulty Replace HPS replace 3 Do it to act Test service test mode L2 L3 and motor water sound confirmation in L3 e Faul
10. ds The motor is out of order When the high pressure switch on 5 seconds off e The HPS is out of order HPS does not measure a high is performed for 3 level after the completion of the minutes water supply Condition 2 1 If the high pressure switch measures a low level for 3 continuous seconds while a wash is performed the HPS is checked again If a high level is detected 41E a normal operation is performed If this is repeated 5 times an 1E error occurs 2 If the high pressure switch measures a low level for 3 continuous seconds while a wash is performed the HPS is checked again If a low level is detected additional water is supplied for a predetermined period of time If a low level is measured even after additional water is supplied twice an 1E error occurs Troubleshooting _ 39 CODES When occur Symptom POSSIBLE CAUSES 3E A WARNING If communicating with the motor fails for 10 seconds the BLDC Power Relay is turned off for 5 minutes and is then turned on again If communicating fails again for 10 seconds after turning the BLDC Power Relay on this error occurs only for BLDC motor type models This error does not occur when the door is open In Test Mode this error occurs if Communicating fails for 10 seconds Draining 20 seconds on 5 seconds off is performed for 3 minutes The BLDC motor is out of order The BLDC motor connector is not pr
11. e 2 digits of the main micom version in turns E g Lg XX e While the Start key is held down the sub micom version is displayed as 2 digits in turns d1 SUB PBA model option e Sub model option display display mode The Sub PBA option number for each model 00 FS BETTER 01 FS BEST 02 SBI BETTER 03 SBI BEST 04 SBI PREMIUM 05 FBI BETTER 06 FBI BEST 07 FBI PREMIUM d2 High pressure switch e hl High Level check e Lo Low Level E g d2 and Low are displayed in turns d3 Synchronous motor 1 Middle location signal check 2 Lower Middle according to the operation 3 Power Zone Left of the synchronous motor 4 Lower 5 Power Zone Right 6 Lower Upper 7 Middle E g d3 and Low are displayed by turns d4 Water Temperature Displays d4 2 digits of the temperature decimal places E g In the case of 24 5 d4 24 5 are displayed in turns d5 FlowMeter Pulse Displays d5 number tens number of ones E g In the case of 167 pulses d5 16 7 are displayed by turns d6 Turbidity AD Data Displays d6 the first decimal place the second decimal place E g In the case of 4 05V d6 40 5 are displayed in turns d7 Overflow Sensor Volt Displays d7 the first decimal place the second decimal place E g In the case of 4 05V d6 40 5 are displayed i
12. easure the voltage between the black wire and the white wire of CN9 No Power Non e Nomral AC 220V 240V error one 5 Check Power Key on state Try to push the Power key O Check the connections for the Sub PBA and SUB wire Reconnect the Sub PBA and SUB wire N Check the DC voltage of the Main PBA See Main PBA DC voltage error 00 Check whether there is condensation on the PBA FS model e Check whether tact switches are pressed SW8 Normal No condensation e Faulty Remove any condensation e Normal Replace the Control Panel assy Troubleshooting _ 51 Error Error type meas Checking method Corrective actions 1 Check the connections for the Display Reconnect the connectors for Display LED Display Sone LED connector part EMOT 2 Check the Display LED e Faulty Replace the Display LED and Sub the top display of FBI model PBA 1 Check the connections for the Display e Reconnect the connectors for Display LED Display Nene LED connector part error 2 Check the Display LED FS model e Faulty Replace Sub PBA 1 Check the wire connections for the Fan Reconnect the Fan Motor connectors Motor 2 Check the resistance of the Fan Motor e Faulty Replace the Fan Motor assy coil Remove the connector before measuring e Normal Approx 145 Q 7 3 Check the resistance of the coil e Faulty Dry heater replace Remove the connector before measuring
13. h Wy ased 17 3 7 Normal 65 C DW FG520 D147 Yo Normally soild daily using i i lt 5 items Daily intensive DW Gk x XSA 44 _ Troubleshooting 4 3 MALFUNCTION TABLE Error type Etter Checking method Corrective actions mode 1 Check whether the faucet is open Open the faucet 2 Check whether the water supply has After wait until the water supply resumes and turn been cut off off the power After the water supply resumes turn on the power 3 Check whether any foreign material is in Remove the foreign material clean the filter in the Water Supply Line and the Aqua Stop Aqua stop valve with a brush Valve filter 4 Check the connection for the Aqua Stop Reconnect the Aqua Stop Valve connector Valve connector 5 Check whether the coil in Aqua Stop e Faulty Replace the Aqua Stop Valve Valve is conductive Remove the connector before measuring e Normal Approx 37800 10 Water supply 4E error 6 Check whether the water supply stops e Faulty Replace the Aqua Stop Valve and after water is supplied for 10 seconds Flow Meter 7 Check whether the water supply stops Check the water supply pressure after water is supplied for 80seconds or gt 0 5bar 5 minutes e Faulty Replace the Aqua Stop Valve and Flow Meter 8 Check whether the Aqua Stop Valve is e Faulty Replace the Main PBA assy operating normally in the Main PBA e Normal Replace the Aqua Stop Valve e
14. is pressed and The driving part stops The touch button is out of order bE 2 held for 30 continuous seconds e An object is on the touch button or longer When IC 12C communications The driving part stops The touch button is out of order bE 3 between the Sub PBA and the e The sub PBA or touch button touch button fails PBA is not properly connected When communications e The driving part stops The main PBA or sub PBA is out between the main PBA and the of order AE sub PBA fails for 24 seconds e The communications connection In Test Mode communication for the main PBA or sub PBA is fails for 6 seconds not properly connected When the water leakage sensor If sensor data over e There is a water leak data is equal to or less than 3V 3V is detected after for 3 seconds draining 20 seconds on 5 seconds off is performed for 3 minutes LE the drain pump is turned off If data over 3V is detected draining is performed for 3 minutes and then the sensed data is checked again When the overflow sensor data If sensor data over e The case brake fails to detect the is equal to or less than 3V for 3 3V is detected after pulse seconds draining 20 seconds e The aqua stop is out of order on 5 seconds off is performed for 3 minutes oE the drain pump is turned off If data over 3V is detected draining is performed for 3 minutes and then the sensed data is checked again Condition 1 e Draining 20 secon
15. n turns d8 Water Leakage Sensor Displays d8 the first decimal place the second decimal place Volt E g In the case of 4 05V d6 40 5 are displayed in turns d9 Target RPM Displays 2 digits in turns dA Current RPM E g In the case of 2000rpm dA 20 00 db Cycle Cnt Displays 2 digits in turns E g For 65525 cycle db 6 55 25 are continuously displayed in turns dC Water supply pulse The water supply pulse counter is reset if the water softener function counter used in total execution is complete Troubleshooting _ 43 4 2 3 Wash cycle table Program Cycle Cycle Selection Information 3 AN Water time min Intensive 70 C Es Heavily soiled items include 148 47 pots and pans Auto 40 65 C Lightly to heavily soiled Daily auto Auto daily using items automatic 90 148 9 1 17 DW KG XSA detection of the amount of soils Normally soiled daily using Express 69 C 10 items with short cycle time ee ui DW BG97 40 BG77 D170 SG97 SG72 D175 FG72 ECO 45 C Normally soiled daily using He Normal ECO items with reduced energy DW SG520 11 8 DW FGS20 XSA DW G XSA and water consumptions D149 DW BG57 12 SG52 FG52 D147 D149 DW FS720 XSA F 5 Jan Lightly soiled with very short Quick 50 C o cycle time 34 105 Delicate 40 C im Lightly soiled delicate items 83 10 1 UAN HNN For dishes that need to be Prewas
16. operly connected If leakage problem occurs turn off the main water supply before calling a service If there is water in the base pan because of an overfill or small leak the water should be removed before restarting the dishwasher 40 _ Troubleshooting 4 2 TEST MODE 4 2 1 TEST MODE Description Item Entering Test Press the Sanitize Half Load and Power keys at the same time to enter Test Mode Mode Changing the Touch button type Press the Intensive key to change the mode mode L1 At L2 Ft L3 Lc L4 Ld L5 Hd L7 L8 L9 LA Lb At Repeats Tact button type Press the Course key to change the mode L1 At L2 Ft L3 Lc L4 Ld L5 Hd L7 L8 L9 LA Lb At Repeats If the mode is changed it automatically starts However if the door is open it does not start automatically and a dE error occurs Displaying all If the product enters Test Mode all product displays are turned on for 1 second However if the Sanitize Half Load and Power key combination is held down continuously all displays are turned on continuously If no key is pressed the version is displayed Displaying the main program version and the sub PBA option number The information is displayed as 2 digits in turns The micom code first 2 digits version latter 2 digits sub PBA diode option number E g Main Micom Version Lq25 Sub PBA
17. ower key 4 Check the connections for the Sub PBA Reconnect the Sub PBA and Touch PBA and Touch PBA connector parts connectors 5 Check the connection of the Main PBA Reconnect CN9 connector CN9 6 Check the connections for the Sub PBA Reconnect the Sub PBA and Main PBA and Main PBA connector parts and connectors 7 Check whether there is condensation on Faulty Remove any condensation and the PBA moisture Mn lt CN 2 and CN4 SUB PBA connector e Normal Replace the Control Panel assy O tower None CON1 LEFT RIGHT TOUCH PBA cuai connector e Normal No condensation 8 Check whether the fuse is broken e Replace the fuse 15A 9 Check the DC voltage of the Main PBA See Main PBA DC voltage error 10 Check the wires of the Main PBA power Faulty Check and replace the wires of the part power part e Measure the voltage between the black wire and the white wire of CN2 e Nomral AC 220V 240V 11 In case of is No Power after Method e Replace the Control Panel assy 10 action Sub Touch wire 12 In case of is No Power after Method e Replace the Main PBA 1 11 action 1 Check the connections for the power Reconnect the power plug plug 2 Check the voltage of the power outlet Connect to a 220V 240V power source e Nomral AC 220V 240V 3 Check whether the fuse is broken Replace the fuse 15A 4 Check the wires of the Main PBA power Faulty Check and replace the wires of the part power part e M
18. s of the Power Relay and the Heater Relay Nomral 220V 240V 54 _ Troubleshooting e Faulty Replace the power relay MEMO Troubleshooting _ 55
19. shing 2 Check Rotors and ducts e Faulty Replace Rotors and ducts function None error 3 Check the operation of the half load See PE Error 4 Check the operation of the Dispenser See Dispenser is not dispensed 1 Check the connections for the Door Reconnect the Door Sensing Switch Sensing Switch Check the blue wire and Connector the switch connected to the blue wire e Normal 10 5 to 13V when the door is open e Normal lt 1V when the door is closed 2 Check the connection for the Door Reconnect the Door Sensing Switch The cycle Sensing Switch Connector ras None 3 Check the operation of the Door Sensing _ Faulty Replace the Door Sensing Switch start Switch Remove the connector before measuring Check the blue wire and the switch connected to the blue wire e Normal OPEN when the door is open e Normal SHORT when the door is closed 4 Check the operation of the Power Relay e Normal Replace the Main PBA assy See Power Relay Error Troubleshooting _ 53 Error type Error mode Checking method Corrective actions Main PBA DC voltage error None Check the DC voltage of the Main PBA e Measure the voltage between pin 1 of the main PBA CN7 connector and pin 2 of the CN7 connector Normal 4 5V to 5 5V e Measure the voltage between pin 9 of the main PBA CN7 connector and pin 2 of the CN7 connector Normal 10 5V to 13 0V e Faulty
20. t is NG if keep in ON or OFF state for 24 seconds Do not supply with water and test e Faulty Replace the Micro Switch for sensing positions e Normal Replace the valve distributor and CAM switch 4 Adjust Cam A ssy and Find the faulty 5 Check whether half load is operating normally e Check the half load operation Normal 220V 240V e Check the operation of Distributor Motor Relay Check the operating voltage between the 7pin orange wire of the Main PBA CN5 connector and the yellow wire of the MAIN PBA relay RY2 connector e Normal 220V 240V while operating e Faulty Replace Cam A ssy e Faulty Replace the Main PBA assy 6 Check the Power Relay See the Power Relay error Overflow error oE 1 Check the connections for the Overflow Sensor connector Reconnect the Overflow Sensor connector 2 Check whether the Aqua Stop Valve operates normally See 4E Error 3 Check whether water is supplied even small amounts in the intervals when the Aqua Stop Valve is not operating Remove foreign material from the Aqua Stop Valve If you cannot remove the foreign material from the Aqua Stop Valve replace it 4 Error occurrence after confirm Method 1 2 3 Assy Case Brake replace 48 _ Troubleshooting Error type Error mode Checking method Corrective actions Thermistor Error tE 1 Check the conne
21. ty Motor replace 4 Problem occurrence to Method 1 2 3 Main PBA replace Troubleshooting _ 49 Error Error type napa Checking method Corrective actions 1 Check the connections for the AC motor Reconnect the AC motor connectors connectors Hook of AC Motor Connectors confirms that was damaged MAIN PCB CN4 connector AC Motor error 2 Check the Power Relay See the Power Relay error oO Error occurrence after confirm Method e Faulty Replace the AC Motor 1 2 4 Error occurrence after confirm Method e Faulty Replace the Main PBA assy 1 2 1 Check the connections for the BLDC Reconnect the BLDC motor connectors motor connectors e Hook of BLDC Motor Connectors confirms that was damaged BLDC e MAIN PBA CN2 connector Motor e MAIN PBA CN4 connector Comm 3E unication a 2 Check the Power Relay See the Power Relay error 3 Error occurrence after confirm Method e Faulty Replace the BLDC Motor 1 2 4 Error occurrence after confirm Method e Faulty Replace the Main PBA assy 1 2 50 _ Troubleshooting Error Error type Checking method Corrective actions mode 1 Check the connections for the power Reconnect the power plug plug 2 Check the voltage of the power outlet Connect to a 220V 240V power source e Nomral AC 220V 240V 3 Check Power Key on state Try to touch the P
22. ulty Replace the Main PBA assy Normal Replace the Drain Pump Key input Error Tact SW model bE 2 Check whether there is condensation on the PBA Check whether tact switches are pressed SW1 SW8 Normal No condensation Faulty Remove any condensation Normal Replace the Control Panel assy Key input error bE 2 bE 3 Check whether there is condensation on the PBA CN2 and CN4 SUB PBA connector CON1 LEFT RIGHT TOUCH PBA connector Normal No condensation Faulty Remove any condensation and moisture Normal Replace the Control Panel assy Sub PBA Touch Sub Wire 46 _ Troubleshooting Error type Error mode Checking method Corrective actions Heater error HE 1 Check the connections of the Heater connectors Reconnect the Heater connectors 2 Check the resistance between both ends of the Heater Check the resistance between both ends of the Heater directly or check the resistance between the red wire of the Heater Relay and the black and yellow wires of the Power Relay respectively e Normal Approx 25 304 10 Check after disconnect circuit breaker or power cable e Faulty Replace the Heater 3 Check the connections of the Heater Relay in Main PBA Check the voltage between the red wire of the Heater Relay on the base and the black and yellow wires of the Power Relay Normal 220V 240V
23. while operating 4 Check the driving signals for the Heater Relay Measure the voltage between pin 1 D12 Anode side of the Main PBA RY1 relay and pin 11 blue of the CN12 connector When the Heater is off 10 5 to 13V When the Heater is operating lt 0 5V 5 Check the Power Relay See the Power Relay error Heater Overheat error HE Check the operation of the Thermistor See the tE Error 2 Check the Heater Relay See the HE 1 Error Leakage error LE Check whether there is any trace of water leakage in the shutter e Normal No water leakage trace e Faulty Check the leakage location Replace the faulty part Troubleshooting _ 47 Error type Error mode Checking method Corrective actions Half load error PE 1 Check the connections for the Distributor Motor and Micro Switch connectors Reconnect the Distributor Motor and Micro Switch connectors 2 Check whether the coil in Distributor Motor is conductive Remove the connectors before measuring e Normal Approx 11 1 12 3kQ e Faulty Replace the Distributor Motor 3 Check the position sensing operations when turning the Micro Switch on and off Use L3 line test mode Check the conduction between the brown wire and the yellow wire e Micro switch On Short e Micro switch Off Open e Micro Switch sign alters in ON OFF state e I
Download Pdf Manuals
Related Search