Hybrid Heater Codes

GE heat pump water heater

GE GeoSpring GEH50DEED (2012–2014) error codes

Covers: GeoSpring Hybrid Electric (model GEH50DEED, e.g. GEH50DEEDSR)

Every code listed in GE's own manual for this series, with what it means and what GE says to do. Last checked 2026-10-03.

Is this your model? Model number GEH50DEED... (rating label on the front side of the water heater). GE's support page for GEH50DEEDSR states 'Manufactured March, 2012 - November, 2014'. Control has mode LEDs (Heat Pump (only), Hybrid, High Demand/Boost, Electric/Standard (Fan off), Vacation) and a numeric display; the manual states there is no power button.

CodeLabelWhat the manual says it means
F-AT4 Not Rising
F-BDischarge Temp Not Stable
F-CEvaporator Not Frost Free
F-DSuperheat Too Low
F-EDischarge Temperature Above Limit
F-FElectronic Expansion Valve Out of Range
FGT5 Ambient Temperature Check (some models)
FHCompresor Load Test [sic] (some models)
FIRefrigerant Leak Test (some models)
F2T2 Tank Temperature Sensor Failure
F3Compressor Failure
F4Fan Failure
F5T3a Sensor (Evap inlet temperature) Failure
F6T3b Sensor (Evap outlet temperature) Failure
F7T4 Sensor (Compressor outlet) Failure
F8T5 Sensor (ambient temperature) Failure
F9Lower Heating Element Failure
F10Upper Heating Element Failure
F11Dry Tank FaultDry Tank Fault. The water heater has not been filled with water before powering up; powering up without water will damage the electric heaters (warranty does not cover operation with an empty or partially empty tank). During installation: if the unit is powered on without a full tank, F11 will show in the display.
bAd linE (F12)The voltage is too low at power-up. Unit is not receiving 240VAC as intended / not receiving the correct voltage as a result of incorrect wiring.
F13Stuck Key Fault
Dirty Filter (F14)Filter is dirty
F15DataFlash Fault

GE's manual for this series does not list error codes; see the troubleshooting section below.

Safety first

From the manufacturer's manual for this series.

Troubleshooting without a code

Owner maintenance

Sources