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Störungen / Fehler


Kessel Typ WGRTNG199

Störungscode Er:20

Ursach:

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

LÖsung:

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