Errors

• - select type -
• Challanger Solo CC50s
• Challenger CC85
• Challenger Combi CC105
• Challenger Combi CC125H
• Challenger Solo CC105s
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• MARQUIS TWH200
• MARQUIS TWH200LP
• Prestige ACVMax 110
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• Prestige ACVMax 250
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• Prestige ACVMax 399
• Prestige ACVMax Excellence PTE 110
• Prestige ACVMax80
• Prestige Trimax110 Solo
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• - select code -
• 11
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• 65
• 66
• 67
• 72
• 73
• 76
• 94

Boiler type MARQUIS TWH200

Error code 65

Cause:

Supply Water Valve 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. Check wiring connections to supply water valve. Ensure all are secure.
3. Replace supply water valve.
4. If the problem persists, replace the main control.