G1312B binary pump: Error Fan Failed


we are using a G1312B binary pump (1260 Infinity) and had the error message: Fan Failed

After acknowledging the error message I can turn on the module as usual and it is working quite fine.

Nonetheless, I am not sure whether the fan is working properly or not. Do you guys know whether there is any possibility to confirm that the fan is working?

Could I even use the pump as long as the fan is not working or would there be a permanent error message saying fan failed?

Additionally we are hearing humming noises from the binary pump (hear the attached audio file, I hope it works). Maybe this is coming from the fan as well? We hear this noise when the pump is running and sometimes when it is in standby mode. It does not occure regulary.

I look forward to hearing from you :)

Best regards


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