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Störungen / Fehler


Kessel Typ MARQUIS TWH200

Störungscode 20

Ursach:

High Limit Overheat Switch – Closed is Normal, Open is Fault

LÖsung:

Press the Power button to clear the Error Code.
1. Inspect the High Limit Overheat switch. Ensure proper connections.
2. Check High Limit Overheat switch resistance. If resistance is zero, replace the switch.
3. If the problem persists, replace the main control.