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Error code · Room Air Conditioner

GE Zoneline AZ95 Code 17: Outlet thermistor open or shorted

For GE Zoneline AZ95 single-package vertical units (AZ95E and AZ95H, the current line), code 17 reports an outlet thermistor failure, either open or shorted. The control cannot read the temperature of the air leaving the unit,…

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Code
17
Appliance
Room Air Conditioner
Brand
GE
Warranty
30-day workmanship

What 17 means

For GE Zoneline AZ95 single-package vertical units (AZ95E and AZ95H, the current line), code 17 reports an outlet thermistor failure, either open or shorted. The control cannot read the temperature of the air leaving the unit, and it needs that reading to run the heating elements safely. As a result, resistance heating is not available. The unit may still cool. Older AZ90 and AZ91 Zoneline units do not use this numbering.

Common causes of 17

  • Outlet thermistor open or shorted
  • Sensor connection at the control
  • Control misreading the outlet sensor
✓ One safe check you can try

1. Hold MODE, then press AUX, to show stored errors; -- means none. 2. AUX will clear the list. Any different key exits and keeps the record. 3. Check that the front grille is clear. 4. Try cooling or fan mode to confirm those still work. 5. Pass a returning code 17 to your property manager without opening the cabinet.

! Why to stop there
  • A sensor that is open or shorted and a poor connection read the same.
  • We test the sensor value and inspect its connection.
  • You see a written price before work starts, and our repairs carry 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.
→Same appliance

Other Room Air Conditioner codes

Temperature display flashingGE Zoneline AZ41 AZ61 Temperature Display Flashing: Unit Alert 11GE Zoneline AZ95 Code 11: Incoming air too hot for the heater 9GE Zoneline AZ90 Code 9: Fewer than 3 cycles an hour Evaporator sensor errorGE Built-In AC Message "Evaporator Sensor Error": Cooling Coil Reading 12GE Zoneline AZ95 Code 12: Display board link lost 10GE Zoneline AZ90 Code 10: FRZ room freeze protection running Filter Reset light / Check FilterGE Window AC Message "Check Filter": Filter Reset Light 13GE Zoneline AZ95 Code 13: Heater airflow trouble
1717 questions
What does the outlet thermistor do?

It measures the temperature of air leaving the unit so the control can limit the heat. Without it, the electric heat stays off. It sits in the air path leaving the unit.

Can the room still be cooled?

Usually yes. The error is tied to resistance heating, though the control may behave differently by model. In a hotel, ask whether guests are reporting cold rooms.

Is this related to code 18 or 19?

They are neighbors. Code 17 is a sensor failure, while 18 and 19 describe the outgoing air itself being too hot. Checking neighboring codes gives a fuller picture.

Book a visit

Still seeing 17?

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

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