ZHZ

9006-OVERVOLTAGE SHUTOFF (ZHZ)

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Continuously.

- Set Condition:
The Warm Water Auxiliary Heating 2 Control Unit (ZHZ) detects the Generator or Regulator are faulty.





Diagnostic Test

1. WARM WATER AUXILIARY HEATING 2 CONTROL UNIT
The Warm Water Auxiliary Heating 2 Control Unit is that the Regulator or Generator are faulty.
Test both the Regulator and the Generator.
Did both the Regulator and Generator test ok?

Yes

- Replace the Warm Water Auxiliary Heating 2 Control Unit.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests

Repair

- Replace the faulty Regulator or Generator.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests