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Error code: 142B

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Description :

• Circulation pump motor overspeed error

Explanation :

• When the circulation pump motor should slow down, it was driving faster than a predetermined speed.
• Failure of the circulation pump motor encoder.
• Failure of the circulation pump motor driver.

Check points :

• Does the circulation pump motor encoder scan normally?

Remedy :

• Replace the Circulation Pump Unit.
• Replace the Main Board.