Troubleshooting steps
Check electrical connections, verify voltage, check compressor
HVAC Error Codes
Trane E42 Error
Compressor overload
Details
Trane E42 error indicates compressor overload. Electrical fault, mechanical binding, low voltage. Check electrical connections, verify voltage, check compressor.
Error typeerror
MeaningCompressor overload
Typical causesElectrical fault, mechanical binding, low voltage
SolutionsCheck electrical connections, verify voltage, check compressor
Severityhigh
Catalog references
Where this appears
TraneE42
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Common questions
What causes E42 error?
Electrical fault, mechanical binding, low voltage
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