Fault Code Lookup

HVAC Sales Master
A970_O
Inverter/Compressor Mismatch
This code typically points to
  • Incorrect/mismatched inverter-compressor pairing or model data

Next checks to confirm
  1. Verify correct matched model data and hardware

Escalation
Permanent lockout
Reset behavior
Requires fault correction and lockout exit procedure.
Urgent
Fix now
Source
Rheem RP18AZ Installation Instructions Table 15