Errors

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• Challanger Solo CC50s
• Challenger CC85
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• Challenger Solo CC105s
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• MARQUIS TWH200
• MARQUIS TWH200LP
• Prestige ACVMax 110
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• - select code -
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• 72
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• 94

Boiler type MARQUIS TWH200

Error code 39

Cause:

Flame Detected after Exiting a Flame On Condition

Solution:

This Error Code will go away when the false flame condition is remedied. If Error happens again:
1. Check the water heater cover. Ensure it is secure. Flame detection sensor can detect an external light source.
2. Check flame detection sensor. Ensure connections are secure. Normal operating settings are more than 2.5DC before ignition, less than 2.5DC after ignition.
3. If the problem persists, replace the main control.