19
ERROR CODE & TEXT
POSSIBLE ISSUE
SOLUTIONS
ERROR 141: COMPRESSOR #1 NOT CONNECTED
ERROR 151: COMPRESSOR #2 NOT CONNECTED
Check wiring and fuse.
Compressor overheated and thermaled out.
The compressor has a thermal switch that will
turn the compressor off if it gets too hot. This
is to protect the compressor. It will come back
on after it cools.
Is the valve compressor plugged into the ECU?
Is the harness plugged into the compressor?
Is the compressor connected directly to the
battery?
Is the compressor fuse blown?
Is the vehicle charging system operating properly?
Is the compressor hot? If so, let cool.
ERROR 142: COMPRESSOR #1 OVER CURRENT
ERROR 152: COMPRESSOR #2 OVER CURRENT
Compressor may have failed or improper
wiring.
ERROR 143: COMPRESSOR #1 NO FILL
ERROR 153: COMPRESSOR #2 NO FILL
Compressor has been installed improperly,
or has failed.
Is the compressor connected to the tank?
Are there any open ports or airlines in the system?
ERROR 144: COMPRESSOR #1 DUTY CYCLE
ERROR 154: COMPRESSOR #2 DUTY CYCLE
Duty cycle has been exceeded.
Please wait for the compressor to cool.
Compressor will turn on automatically after it cools.
ERROR 145: COMPRESSOR #1 WORN OUT
ERROR 155: COMPRESSOR #2 WORN OUT
Compressor replacement may be required.
Is there a major leak in the air supply system? If no
leaks, compressor replacement may be required.
ERROR 146: COMPRESSOR #1 SHORTED
ERROR 156: COMPRESSOR #2 SHORTED
Wire harness damaged or compressor has
failed.
Compressor amp draw is too high for
control system.
Is the valve compressor plugged into the ECU?
Is the harness plugged into the compressor?
Is the compressor connected directly to the
battery?
Is the compressor fuse blown?
ERROR 161: VEHICLE VOLTAGE LOW
Compressors have been disabled.
Compressors will come back on after
the vehicle’s voltage increases to 12.8V.
Vehicle voltage has dropped below 10v.
Is the vehicle’s engine running?
Is the vehicle’s charging system operating
correctly?
ERROR 162: VEHICLE VOLTAGE HIGH
Vehicle voltage has exceeded 18V.
Is the vehicle’s engine running?
Is the vehicle’s charging system operating
correctly?
Is the vehicle on a battery charger?
ERROR 163: COMMUNICATION
Is the display harness plugged into the ECU?
Is the display harness pinched or shorted??
ERROR 164: CALIBRATION FAIL!
Calibration failed due to errors during calibration.
Fix errors that popped up on the screen and rerun calibration.
ERROR 165: WRONG VERSION
Software Version of the ECU/WCU do not match the laptop software. You will need matching
software to run the system with a laptop. You may need to install new software on the ECU/
WCU or the laptop, depending on the version that is installed of each item. Contact Ridetech @
812-481-4969 to determine which needs updated.
ERROR 166: HARDWARE FAILURE
Internal Hardware Failure in ECU or WCU.
Contact Ridetech @ 812-481-4969 to resolve
issue.
ERROR 167: CALIBRATION FAILURE
Calibration too many steps to complete.
Check system for air leaks.
Check for suspension bind. It may require the suspension pivot bolts to be loosened for
calibration. Retighten after rerunning calibration.
Contact Ridetech @ 812-812-481-4969 if the system will not go through calibration.
ERROR 168: CAN NOT EXECUTE MOVE TO PRESET
Errors occurred while trying to #1, #2 or #3
preset.
Fix errors that occurred while the system was
attempting a move to preset.
ERROR 169: SOLENOID OVER CURRENT
Check harness between ECU and valves
Check valve ground.
Is the valve harness plugged into the ECU?
Is the valve harness plugged into the valves?
Do the valves have a good ground?
ERROR 171 & 172: MOVE TO PRESET TIME-OUT!
Move has exceeded the maximum allowable
time or steps.
Did the vehicle reach the desired preset?
Is there adequate air in the supply tank?
Is the supply tank of adequate size for the
application?
ERROR 181: POSITION SENSORS INCORRECT SWING
Sensors moving out of range or incorrect
corner is moving
Use the Diagnostics tab on the App to check the
level sensor voltages.
Control System Error Codes
COMPRESSOR & SYSTEM RELATED ERRORS