Troubleshooting steps
Check communication wiring, verify connections, reset system
HVAC Error Codes
Communication error
Rheem F13 error indicates communication error. Faulty wiring, loose connections, board issue. Check communication wiring, verify connections, reset system.
Catalog references
Utilities
Troubleshooting steps
Check communication wiring, verify connections, reset system
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FAQ
What causes F13 error?
Faulty wiring, loose connections, board issue
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