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TheAChub
Code Text Description Cause Check Procedure Technical Support Notes 5701 Loose float switch connector. The indoor unit internal float switch connector has detected an open circuit. Check the float switch is operating correctly. If the switch is down then the switch should be open. Also check for external pumps wired in across the fail safe connection.
This fault normally occurs when an external pump is wired in across the fail safe connections, (CN4F/CN31) and the external pump has failed. Or the connection is loose.
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