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Heating  Heating

Brand

Triangle-tube Triangle-tube List all brands

Type:

MARQUIS TWH200 view MARQUIS TWH200 List all types

Error code:

40
List all errors


Error code: 40

Cause of error code 40

Gas Leakage is Detected for 10 Minutes, or three times within One Hour
(Greater than 5 Seconds Each Time)

Solution for error code 40

IMPORTANT: If you smell gas, STOP! Follow the instructions on the cover of this manual, and call a qualified service technician or the gas utility. Press the Power button to clear the Error Code. If Error happens again:
1. Check the water heater cover. Ensure it is secure.
2. Check gas connections for leakage with a soapy solution. Fix any leaks.
3. Check condition of the burner assembly.
4. If the problem persists, replace the main control.


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