Dakota Digital DHC-2000 User's Manual
Contents
1. ONLY USED WITH HEIGHT ONLY OR HEIGHT PRESSURE COMBINATION RIGHT REAR HEIGHT SENSOR oo oO LEFT REAR HEIGHT SENSOR IMPORTANT Make sure to always disconnect the negative cable from the battery if you are going to be working on or under the vehicle Failure to do so can result in serious injury if the system is accidentally activated MAN 650031C Introduction Congratulations you have purchased one of the finest AIR Ride Height Control Systems available This system can e use height sensors pressure senders or both height and pressure senders to monitor and control of all four corners of the vehicle with the option of monitoring the tank pressure e have three different height presets for automatic up down control manual up down control and to completely empty the air bags e be connected to an ARR 2000 remote transmitter system to allow remote control of the air bag system when the key is off Sensor Types Here are the possible setup configurations for height pressure or both height and pressure based systems e Height based only 4 height sensors used and one tank pressure sender e Height based with pressure monitoring 4 height sensors used 4 bag sensors used and optionally one tank pressure sender e Pressure based only 4 bag 4 pressure sensors used and optionally one tank pressure sender e Pressure based only 3 bag 2 front and 1 rear 3 pressure sensor2. Dakota Digital DHC 2000 DHC 2100 rev C Digital Height Control System COC Right Rear GREEN BROWN an Left Front Bag Bag OPTIONAL REMOTE e 5 E Left Rear i CONTROL Bag SEN 03 1 io Front ANTENNA QD a0 OO OO ONLY USED WITH a VA PRESSURE ONLY OR HEIGHT PRESSURE COMBINATION Do not bundle or route the solenoid and sensor wires together Dakota Digital DHC 2000 DIGITAL HEIGHT CONTROL SYSTEM PRESSURE SENDER HARNESS REMOTE ANTENNA To FRONT air solenoid block e RIGHT FRONT DOWN GREEN LEFT FRONT DOWN RED RIGHT FRONT UP BLACK LEFT FRONT UP WHITE SOLENOID HARNESS AIR MAIN POWER HARNESS STATUS LIGHT DISPLAY HARNESS E Display RIGHT REAR DOWN GREEN LEFT REAR DOWN RED RIGHT REAR UP BLACK LEFT REAR UP WHITE To REAR air solenoid block CONNECT TO GROUND BLACK PARK NEUTRAL INPUT ground if not used WHITE BLUE FUSED CONSTANT 12 VOLT POWER RED FUSED 12 VOLT ACCESSORY POWER YELLOW DISPLAY DIMMING INPUT BLUE TANK PRESSURE SENDER GRAY Air Tank SEN 03 5 GROUND LEFT FRONT HEIGHT SENSOR Oo oO 2 RIGHT FRONT HEIGHT SENSOR Wiring Overview
3. from all of the bags and then press the M switch medium switch on left side of display 6 The display will now toggle between showing a number for each of the four corners RAISE ALL and DONE PRS M Use the up Setup Switch to raise all bags to their full height The numbers will begin increasing until they reach 100 and then it will stay at 100 If any bag does not get to 100 then that sensor may need adjustment to increase the arm travel 7 Press the left Setup Select Switch to control front only the right Setup Select Switch to control rear only or both left and right Setup Select Switches together to control all 4 corners 8 When all four corners are fully raised press the M switch medium switch on left side of display 9 The display will show SETUP DONE Press the Setup Select Switch or turn the key off to exit Changing the key on mode When the key is turned on the system can be set up to go to back to the last mode it was in before the key was turned off it can always start up in the M medium auto mode it can always do an auto raise to the M setting and then turn the auto mode off or it can always start with the auto mode off 1 Begin with the key off and then hold the left Setup Select Switch in while turning the key on The display will show CODE ACA44B aluminum control case CODE AC48 plastic control case 2 Release the switch The display will show SETUP DONE 3 P
4. of the terminal insert the wire and release the button Pull on the wire gently to make sure it is seated tightly After the wires are attached the next step is to program the sensor travel into the controller Page 4 Once that is done the system is ready to operate The controller will automatically determine which mode to operate with depending on which sensors are connected to it The display will show EE for a sensor that is disconnected and for a sensor that is shorted to ground 2 MAN 650031C OPERATION PROGRAMMING The auto height control system is active when both the large red power wire and the yellow accessory power wire are on When the accessory power is off the display and height control will shut down to prevent draining the battery The display unit has a 2 line full character display with three switches on the left side and four switches on the right side The left side switches select the presets The right side switches allow manual control change the display and are used for setup Preset Select Switches Manual Control Setup Switches MANUAL RAISE HI AUTO HO Pu O LEFT SWITCH MID AUTO 1 d d oO O LO AUTO LO O RIGHT SWITCH MANUAL LOWER Changing the display Pressing the left and right manual control switches at the same time will toggle the display between the height values the tank pressure and the corner pressures Manual control When manual control is active
5. the set of 4 manual control switches will be lit brightly The function of these switches are as follows e Pressing the left or right switch will change which readings on the display that are highlighted all four front two rear two or individual e Pressing the top switch will raise the corners that are highlighted e Pressing the bottom switch will lower the corners that are highlighted The Park Neutral input white blue wire is used to disable manual down when the vehicle is in gear This should be connected to a vehicle wire that is grounded when the vehicle is in park or neutral or to a Dakota Digital GSS 2000 output where required by law To disable this feature connect the white blue wire directly to ground If the down switch is pressed and the white blue wire is not grounded the display will show LOCK Auto control The three switches on the left select the three preset heights High Medium and Low When one of the auto presets are active that switch will be lit brightly To select one of the presets press the corresponding button To change any of the 3 presets e Manually adjust the height and then press and hold the button for that preset H M or L for about 4 seconds The display will display SET and store the new setting You can also do a bag dump by pressing the H and L switches at the same time for about 4 seconds This will do a controlled dump to about 3 596 height Tank Warning The tank pressure has a u
6. Switch to change the value and press and release the left Setup Select Switch when done 8 The display will show SETUP DONE Press the left Setup Select Switch or turn the key off to exit Changing the tank warning point The tank warning point can be adjusted from 0 to 248 psi When the tank pressure drops below this point the tank reading will flash and the display will automatically switch to the tank pressure display If the tank pressure sender is disconnected this is disabled 1 Begin with the key off and then hold the left Setup Select Switch in while turning the key on The display will show CODE AC44B aluminum control case CODE AC48 plastic control case Release the switch The display will show SETUP DONE Press the up or down Setup Switch until WARN is displayed Press and release the switch The display will show TANK WARN and the current set point Press the up or down Setup Switch to change the value When the desired value is shown press and release the left Setup Select Switch 6 The display will show SETUP DONE Press the left Setup Select Switch or turn the key off to exit CIS id The advanced control options No changes will normally be made to these settings There are four options under the advanced menu ADV TIME ADV ERR ADV F PSI and ADV R PSI The time setting is the minimum time the controller must see a corner o
7. ied warranties including any implied warranty of merchantability shall be limited to the duration of this written warranty Any action for breach of any warranty hereunder including any implied warranty of merchantability must be brought within a period of 24 months from date of original purchase No person or representative is authorized to assume for Dakota Digital any liability other than expressed herein in connection with Dakota Dig ital 4510 W 61ST St N Sioux Falls SD 57107 Phone 605 332 6513 FAX 605 339 4106 www dakotadigital com dakotasupport dakotadigital com Copyright 2005 Dakota Digital Inc 6 MAN 650031C
8. ress the up or down Setup Switches until KEYON is displayed 4 Press and release the switch The display will show KEYON and the current setting LAST M M OFF or OFF 5 Press the up or down Setup Switches to change the setting When the desired setting is shown press and release the left Setup Select Switch 6 The display will show SETUP DONE Press the left switch or turn the key off to exit 4 MAN 650031C Changing the output speed The output speed can be used to slow down systems with large air lines or high pressure tanks so that the system will operate more reliably and stop at the desired height with minimal overshoot 1 Begin with the key off and then hold the left Setup Select Switch in while turning the key on The display will show CODE AC44B aluminum control case CODE AC48 plastic control case 2 Release the switch The display will show SETUP DONE 3 Press the up or down Setup Switch until SPEED is displayed 4 Press and release the left Setup Select Switch The display will show FRONT SPEED and the current speed setting 5 Use the up or down Setup Switch to change the speed number from 1 to 15 with 15 being the slowest When the desired value is shown press and release the left Setup Select Switch 6 The display will now show REAR SPEED along the current setting for the rear bags 7 Use the up or down Setup
9. s used and optionally one tank pressure sender The right rear sensor input and relay outputs should not be used e Pressure based only 2 bag 1 front and 1 rear 2 pressure sensors used and optionally one tank pressure sender The right front and right rear sensor input and relay outputs should not be used e Pressure based only 2 bag 1 left and 1 right 2 pressure sensors used and optionally one tank pressure sender The left rear and right rear sensor input relay outputs should not be used Note The bag pressure senders are 150 psi units and the tank sender is a 400 psi unit Sensor Installation Pressure based or both pressure height The bag pressure senders need to be mounted in their desired location T d into appropriate airline or valve make sure to thread them into a 1 8 NPT grounded fitting otherwise you will need to attach a ground wire to the body of the sender It is VERY IMPORTANT that the pressure senders ground through the threads or there will be unstable readings thread sealant should NOT be used unless there is an extra ground wire run to the body of the sender Height based or both pressure height Please refer to the manual accompanying the height based sensor Once the height sensors are mounted the cables will need to be routed up to the controller and attached to the labeled terminals To insert the wires into the terminals strip about 14 of insulation from the end of the wire push the button down on the top
10. ser adjustable low warning point If the tank pressure drops below the warning point the display will automatically switch to displaying the tank pressure and the number will flash 3 MAN 650031C Manual Control Setup Switches SETUP UP P 43 48 e SETUP SELECT O 4 4 OO LO O SETUP DOWN Setup Menus To enter the setup mode press and hold the Setup Select Switch while turning the key on Use the top and bottom Setup Switches to scroll up and down through the menus Use the Setup Select switch to select a menu item The menus are DONE exit the setup routine REM Remote system setup operation mode and transmitter programming SENSR Sensor programming adjusting for mechanical arm travel SPEED Solenoid control speed to slow down fast air systems WARN Tank warning point setup KEYON Select operation mode when key is turned on ADVNC Advanced control setup options Programming sensor travel 1 Begin with the key off and then hold the left Setup Select Switch in while turning the key on The display will show CODE AC44B aluminum control case CODE AC48 plastic control case 2 Release the switch The display will show SETUP DONE 3 Press the up or down Setup Switch until SENSR is displayed 4 Press and release the left Setup Select Switch switch The display will toggle between DUMP ALL and DONE PRS M 5 Use the down Setup Switch to dump the air
11. that has power with the key on The ignition key must be turned on Seat connectors in tightly at both ends Return gauge for repair see instructions Inspect harness contact factory for additional checks or instructions Connect wires from gauge to sender terminals Test and replace wire PSI senders ground through it s mounting threads Make sure the threads are clean Do Not Use Tape or Sealant on Sender Threads Return gauge for repair contact factory Return for replacement see instructions Check wire for damaged insulation replace if necessary Return sender for repair contact factory Reconnect wire going to PWR terminal Make sure sender case is getting a solid ground Move ground to different location Make sure sender has been replaced with the correct type Check wiring connections Return gauge for repair contact factory Connect blue wire to a location that only has power when the headlights are on Recharge or replace vehicle battery Return gauge for repair contact factory Replace fuse Check that 400PSI sensor has 2 terminals used on tank Please consult service manual for the compressor to verify wiring SERVICE AND REPAIR DAKOTA DIGITAL offers complete service and repair of its product line In addition technical consultation is available to help you work through any questions or problems you may be having installing one of our products Please read through the Troubleshoo
12. ting Guide There you will find the solution to most problems Should you ever need to send the unit back for repairs please call our technical support line 605 332 6513 to request a Return Merchandise Authorization number Package the product in a good quality box along with plenty of packing material Ship the product by UPS or insured Parcel Post Be sure to include the RMA number on the package and include a complete description of the problem with RMA number your full name and address street address preferred and a telephone number where you can be reached during the day Any returns for warranty work must include a copy of the dated sales receipt from your place of purchase Send no money We will bill you after repair Dakota Digital 24 Month Warranty DAKOTA DIGITAL warrants to the ORIGINAL PURCHASER of this product that should it under normal use and condition be proven defective in material or workmanship within 24 MONTHS FROM THE DATE OF PURCHASE such defect s will be repaired or replaced at Dakota Digital s option This warranty does not cover nor extend to damage to the vehicle s systems and does not cover removal or reinstallation of the product This Warranty does not apply to any product or part thereof which in the opinion of the Company has been damaged through alteration improper installation mishandling misuse neglect or accident This Warranty is in lieu of all other expressed warranties or liabilities Any impl
13. tivated 5 MAN 650031C Problem Possible cause Solution Gauge will not light up red light is off Gauge will not light up red light is flashing slowly Gauge will not light up red light is flashing rapidly Gauge will not light up red light is on steady Gauge lights up but displays EE Gauge lights up but displays Gauge lights up but does not read correctly Display will not dim Display remains dim at all times Switches will not operate any of the solenoids Compressor will not shut off RED wire does not have power BLACK wire is not getting a good ground YELLOW wire does not have power The key is not on Display harness is unplugged Gauge is damaged The harness to the display is damaged Sender is not connected to gauge Wire between controller and sender is broken Sender is not grounding properly Controller is damaged Sender is damaged Sender wire is shorted to ground Sender is damaged Loose connection on power wire Poor sender ground Poor ground connection Incorrect sender type Blue wire is not connected correctly Gauge is damaged Blue wire is getting power all of the time Battery is very low Gauge is damaged 10A fuse is blown Tank reading incorrect much higher than actual Compressor wired incorrectly Connect to a location that has power Connect ground to a different location Connect to a location
14. ut of adjustment before it will try to make a correction This time delay avoids nuisance corrections during acceleration deceleration and cornering The error setting is the minimum error that a corner must have before it is seen as too low or too high The F PSI and R PSI menus set limits when both pressure and height sensors are used together They adjust how far the pressures are allowed to differ from side to side when trying to make corrections for height Rigid frame vehicles may need to reduce the R PSI setting to keep the rear bags balanced on uneven ground The remote setup options The remote system setup requires the ARR 2000 remote system This system plugs into a connector on the back side of the controller The remote system is only operational when the key is turned off The remote system has two modes of operation one for individual corner control and another that controls the front bags together and the rear bags together more information on remote system in the ARR 2000 manual The REM selection has another set of menus underneath it They are MODE select remote operation mode PRGM program the key chain transmitters into the system TEST test the operation of the key chain transmitters Troubleshooting guide IMPORTANT Make sure to always disconnect the negative cable from the battery if you are going to be working on or under the vehicle Failure to do so can result in serious injury if the system is accidentally ac
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