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Alf Bast
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Username: alfbast

Post Number: 6
Registered: 2-2015
Posted on Monday, 07 August, 2017 - 23:16:   Edit PostDelete PostView Post/Check IP
Hi

I have now a problem with the speed of the motors of the ac fans. They run very slow even at the highest speed.

Recently they have even reduced the speed.

At the moment the voltage detected at the highest speed at the motors is around 5.3 volts. It seems that the relays for maximum speed and defrost do not receive electricity and if I remove the relays for those speeds air continues to flow (with no change in flow)

Before, even at defrost, there was no more than 8,3 volts.

I am going to change the control fan module. Could I ask u, according to your experience, what should be the voltage arriving at the fan motors at low, auto, maximum and defrost?

Thank you for advice.

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