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Error code · Room Air Conditioner

GE Zoneline AZ95 Code 10: Heat pump overload on the inside coil

On the newer GE Zoneline AZ95 single-package vertical units (AZ95E and AZ95H), code 10 is a heat pump overload. The inside coil has climbed past the 131°F overload threshold, so the control shuts the compressor down…

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Code
10
Appliance
Room Air Conditioner
Brand
GE
Warranty
30-day workmanship

What 10 means

On the newer GE Zoneline AZ95 single-package vertical units (AZ95E and AZ95H), code 10 is a heat pump overload. The inside coil has climbed past the 131°F overload threshold, so the control shuts the compressor down while the coil recovers. The room stops getting heat pump warmth for a time. On the older AZ90 and AZ91 generation code 10 is a room freeze protection mode, which is quite different.

Common causes of 10

  • Restricted airflow across the inside coil in heating
  • Dirty filter or blocked front grille
  • Inside fan not moving enough air
✓ One safe check you can try

1. Hold MODE, press AUX and read the stored entries; -- means none. 2. The AUX key erases the list. Leaving by another key keeps the record. 3. Make sure the front grille is not covered by furniture, bedding or curtains. 4. Let the unit rest in fan mode so the coil can cool. 5. Try heating again after that and report a repeat to your property manager.

! Why to stop there
  • Low airflow is the usual route to a hot coil, but a circuit condition can also be involved.
  • We check airflow, the inside fan and coil conditions together.
  • You get a written price before we begin, and our work comes with a 30-day workmanship warranty.
Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.
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Other Room Air Conditioner codes

Temperature display flashingGE Zoneline AZ41 AZ61 Temperature Display Flashing: Unit Alert 17GE Zoneline AZ95 Code 17: Outlet thermistor open or shorted 11GE Zoneline AZ90 Code 11: Wall thermostat will not talk to the unit Cool light flashingGE Window AC Cool Light Flashing: Evaporator Coils Too Cold 18, 19GE Zoneline AZ95 Codes 18 and 19: Outgoing air overheating 13GE Zoneline AZ90 Code 13: High Pressure Limit Switch Open Temperature display flashingGE Zoneline AZ45 AZ65 Temperature Display Flashing: Control Lockout Active 25GE Zoneline AZ95 Code 25: Defrost lockout for 4.5 days
1010 questions
Does code 10 mean the unit is overheating dangerously?

It is a protective shutdown, so the control is doing its job. Once the coil cools the compressor can run again. Letting the unit rest in fan mode speeds up the recovery.

Will the room still get heat?

Possibly through resistance heating, depending on the model and settings. Heat pump heating pauses until the coil recovers. Electric heat may keep the room warm in the meantime.

How does this differ from AZ90 code 10?

The older AZ90 and AZ91 code 10 relates to freeze protection and shows FRZ. The AZ95 code 10 is a hot-coil overload. Matching the code to the right model generation matters here.

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Still seeing 10?

A technician diagnoses it on site and gives you the price in writing before any work starts.

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