How to eliminate PB error in Ferroli air conditioning?
- Error: Pb
- Description: Antifreeze protection
- Cause:
- Solution: After the antifreeze protection phase, the device will automatically resume normal operation.
More tips
If you fail to solve the problem with your Ferroli air conditioning, we recommend that you contact the technical service or a specialist. They can diagnose the cause of the problem and give it the necessary instructions to correct it. They can also advise you on how to maintain their air conditioning in good condition and avoid future problems.
Other error codes in Ferroli air-conditioning

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