mypros+

Goodman Heat Pump Error Codes

29 error codes for Goodman heat pump models. Each links to the full diagnostic procedure from the service manual.

CodeDescription
01Low side fault02High side fault03Short cycling04Locked rotor05Open circuit06Open start circuit07Open run circuit08Low line voltage (less than 185 VAC) or high line voltage (greater than 255…09Low pilot voltageA2Outdoor air temperature sensor faultA3Outdoor coil temperature sensor faultb0Blower motor not running when it should be runningb1Blower motor communication error.b2Blower motor HP mismatch.b3Blower motor operating in power, temperature, or speed limit.b4Blower motor current trip or lost rotor.b5Blower motor rotor locked.b6Over/under voltage trip or over temperature trip.b7Incomplete parameter sent to motor.b9Low indoor airflow
MyPros+ Max

Get the full diagnostic procedure for any Goodman heat pump error code.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts
  • Verified part numbers when replacement is required
Get started

$29/month · Cancel anytime · Or $9.95 3-day pass

d0Data not yet on networkd1Invalid data on networkd2System mis-matchd3Configuration mis-matchd4Invalid memory card dataE5Open fuseEcHeater kit too large, too small, or no matchEEInternal fault / board misoperationEFAuxiliary switch open.

Start diagnosing faster today.

$29/month · Cancel anytime · Or $9.95 3-day pass

Get started