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EXV Communication Error

Description

Communication between the main control board and the electronic expansion valve (EXV) driver has failed.

Appliance Error Codes Details

Error Code
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Error Name
EXV Communication Error
Appliance Type
air_conditioner
Brand
Carrier
Severity
medium

Additional Troubleshooting

1. Power cycle the system
2. Check the EXV connector and wiring for damage or looseness
3. Contact service for EXV coil and driver board inspection

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Author: Pavel Volkov
Created:

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