Service Manual
Contents
1. Self leveling Rotary Laser FRE202 Service Manual CHU besser messen de 1 Instrument amp Accessories Main body Remote Charger Detector amp Clamp This set of product include Main body FRE202 Detector FRD100 Clamp Remote Charger FC101 1 5 rechargeable battery and dry battery are all available for the instrument Take out the batteries after loosing the cover screw of battery case 2 Structure Top cover Set Shell Set Underpan Set Pendulum 2 1 Top cover Set 2 2 Shell Set Panel plug 16 cartridges Power plug 2 cartridges 2 3 Underpan Set Y axis leveling motor Charging plug 2 cartridges Alarm w TU a 5 cartridges sf X axis leveling motor Alarm board PCB 2 4 Pendulum X axis sensor plug 4 cartridges Y axis sensor plug 4 cartridges Pendulum power plug 2 cartridges 2 5 PCB Alarm socket Panel socket 4 cartridges 16 cartridges K Power socket Scanning motor lt 2 cartridges Socket 2 cartridges Pendulum power Socket 2 cartridges ne Charging plughole Panel socket 2 cartridges 16cartridges X ax1s sensor Y axis leveling motor Socket 4 cartridges Socket 6 cartridges Y axis sensor X axis leveling motor Socket 4 cartridges socket 6cartridges 3 Instrument Checking 1 Place the instrument at the point of 50m in fro2. detach the shell to connect the power plug with PCB well c Detach the shell to change the PCB d Please contact the supplier when the instrument still doesn t start up after all your effort above B No spinning of laser head 1 Symptoms The laser beam is being emitted but the laser head doesn t rotate after instrument is power on 2 Causes a Center to center distance of gear is not suitable gearing is abnormal b Troubles of scanning motor 12 c Laser head has touched the optical coupler d Troubles of PCB 3 Eliminations a Take off the shell to readjust the center to center distance of the gear b Change the scanning motor after taking off the shell c Detach the shell to readjust the space between laser head and optical coupler d Change the PCB C No responses of detector 1 Symptoms Press the Key ON OFF the LCD doesn t display 2 Causes a Install the batteries according to the wrong electrode b Panel plug drops out c Troubles of PCB 3 Eliminations a Take off the cover of battery case to install the batteries correctly b Detach the panel cover of detector to insert the plug again c Please take the detector back to the manufacturer to repair it if there are some troubles in PCB D No sound of buzzer 1 Symptoms There is no sound of buzzer after pressing any keys on the panel 2 Causes 13 a Buzzer plug drops out b Troubles of PCB 3 Eliminations a Connect the buzz
3. er plug with the PCB well b Please take the detector back to the manufacturer to repair it if there are some troubles in PCB 14
4. nt of wall or set a scaleplate at the point of 50m away from the instrument and then adjust the level of the base approximately to aim the X1 to the wall or scaleplate as depicted below 8 Approximately 50 m 2 After switching on the power use the detector measuring the hl of X1 beam on the wall or scaleplate 3 Loose the screw of the tripod and then turn around the instrument 180 to measure the h2 of X2 beam on the wall or scale plate D value between hl and h2 ought to be less the 10mm 4 Check the Y beam in the same way 3 1 Level adjusting If the D value between hl and h2 is more than 10mm make accuracy adjusting as following steps 1 Press the Key ON OFF when power indicator lights automatic leveling of instrument starts up 2 Press the Key Manual Automatic for about 3 seconds when X axis Mode indicator winks the instrument enters mode of X axis adjusting 3 Press the Key 1 P or IL repeatedly and check the position of laser beam when X axis indicator is winking till the D value between hl and h2 is less than 10mm 4 Press the Key Manual Automatic again to enter the mode of Y axis adjusting when Y axis Voltage indicator wink Press the Key A or repeatedly and check the position of laser beam when Y axis indicator is winking till the D value between hl and h2 is less than 10mm 5 Press the Key and L simultaneously to hold the adjustment when X axis o
5. r Y axis indicator goes out Notices Once the D value exceeds the error range that instrument permits please contact the supplier to repair the instrument 4 Detector 4 1 Principle The laser beam is received by silicon photocell in detector After amplifying and judging the signal received the detector will send out command signal to PCB to control the display of LCD and the buzzer States of buzzer upward bias alarm downward bias alarm accurate orientated alarm prolonged sound Please refer to the information of display of the LCD in the following page 10 Rough orientation Accurate orientation indicator indicator Upward bias Rough orientation Accurate srientation Downward bias Power insufficient Buzzer off Power sufficient Buzzer on 5 Malfunctions amp Eliminations LCD illustration 11 A Failures in starting up 1 Symptoms After pressing the Key ON OFF power indicator can t light and also the instrument doesn t start up 2 Causes a Poor contact of keys on the panel or panel plug b Poor contact of batteries or power plug and insufficient power c Troubles of PCB 3 Eliminations a Take off the shell and renew the panel or connect the power plug with PCB well b Take down the cover of battery case to check whether there are some dirt or rust between the spring and spring strip and clear off them if it is true Recharge the batteries till power is sufficient and then
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