Fault Code Lookup

HVAC Sales Master
T960_O
Compressor Locked Rotor (transient)
This code typically points to
  • Locked rotor / start failure

Next checks to confirm
  1. Inspect compressor/inverter condition

Escalation
6-strikes to permanent lockout
Reset behavior
Lockout exit after cause correction and reset procedure.
Urgent
Fix now
Source
Rheem RP18AZ Installation Instructions Table 15