Errors

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Boiler type MARQUIS TWH200

Error code 67

Cause:

AGM Error

Solution:

Press the Power button to clear the Error Code. If Error happens again:
1. Turn power OFF and ON at the main power switch internal to the water heater.
2. Ensure fan inlet hole is completely open after turning the power OFF and ON.
3. Check wiring connections to the AGM. Ensure all are secure.
4. Check AGM operation.
5. Replace AGM.
6. If the problem persists, replace the main control