home Fix label Heating label_important Home Heating Systems category Vaillant

fault code f20 f11?

what does this mean eco tec

adam, February 2009

home Fix label Heating label_important Home Heating Systems category Vaillantdone

F.11 Return NTC short circuit.
Cause - NTC defective, cable/casing shortcut

F.20 Safety temperature limiter by NTC activated. Cause - Flow-NTC not correctly thermal-connected or defective; appliance does not shut down

Andy, February 2009

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home Fix label Heating label_important Home Heating Systems category Vaillant

fault code f20 f11?

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fault code f20 f11?

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fault code f20 f11?

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