Intermittent Fault

Intermittent Fault






- Check the Control module and power unit connectors for contact resistance and oxidation according to Checking wiring and terminals - Intermittent faults

- Check cable between control module #A14 and power unit for an intermittent short-circuit to supply voltage according to Checking wiring and terminals - Intermittent faults.

- Check power supply to power unit #A4 for an intermittent open-circuit according to Checking wiring and terminals - Intermittent faults.

- Check ground lead between power unit #B2 and ground terminal for an intermittent open-circuit according to Checking wiring and terminals - Intermittent faults.

The fault also could have been caused by the fan sticking, dirt etc.

Checking Wiring and Terminals

Remedy as necessary.