Goodman P0: Compressor protector open

Source: Goodman manual (PDF) (opens in a new tab) ↗ · Updated

Status codeP0Goodman
What does Goodman P0 mean?

Compressor protector open. The compressor is off.

Call a pro: jump to when to call a pro Equipment type: AC / heat pump
How it shows: PCBHR104 unitary diagnostic display in Goodman service manual RS6200007 r27. Digit 3 is blank. Digit 2 is P and digit 1 is 0. The code is P0

Likely causes

  • No current through the run or start windings
  • Compressor run winding is open
  • Compressor not wired to the control, or other faulty compressor wiring
  • Failed run capacitor or faulty run-capacitor wiring

Safe checks for P0

  1. Write down P0 before power is cycled. The chart says the fault can clear after 1 normal cycle or by cycling 24 VAC to the control, after the cause is corrected
  2. Techniciancheck the compressor, the wiring, and the run capacitor
Safety firstOutdoor units carry line voltage even when the thermostat is off. Switch off the unit's disconnect and breaker before touching anything. Refrigerant, wiring, compressor and control-board work must be done by a licensed HVAC technician.

Capacitors can hold a charge after the power is off. Safety terms.

When to call a pro

Call a licensed HVAC technician. An open compressor protector is not cleared by rinsing the outdoor coil.

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Parts & tools for this fix

Taken from this code's causes or steps. A search link opens Amazon results and does not confirm a fit. Check the model number in the manual.

Run capacitor (furnace blower and AC): guide

In this code: Failed run capacitor or faulty run-capacitor wiring

This one is for a technician to test or replace, so we only explain it and do not link to buy it.

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