Display Message
242 HANDLE COMM ERR
CALL SERVICE
Description:
The master controller cannot establish or has lost CANbus communication with the control handle. Handle must establish communication with the master controller within four seconds at startup.

Probable Causes and Test Procedures:
- Turn the key switch to the OFF position and restart the lift truck.
- Check for 24 volts at pin #1 of the handle connector, wire #1285.
* Check for 24 volts at pin #5 at the IFB connector.
* Check FU 11 on the IFB.
- Check continuity of wire #1285 from pin #5 of the IFB connector to pin #1 of the handle connector.
* Check FU 11 on the IFB.
- Verify all CANbus wiring between the steering motor controller and the master controller.
* Ensure all connectors are tight and pins are in good condition.
* Check all CANbus wiring between terminals for continuity. Replace any defective wiring.
- Wire #113 between ground and pin #4 at the multifunction handle connector.
- Wire #900 between pin #23 at the master controller connector and pin #2 at the multifunction handle connector.
- Wire #901 between pin #22 at the master controller connector and pin #3 at the multifunction handle connector.
- Replace any defective wiring.
- Control handle is defective.
* Replace the control handle.