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Error code · Water Heater

GE GeoSpring Code F96: CTA module disconnected or battery low

On GE Profile GeoSpring hybrid heat pump water heaters made from June 2025, such as the GEH50DEEJSC, F96 means the CTA module is disconnected or its battery is low. The CTA module is the small add-on…

Low risk · DIY check OK
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Code
F96
Appliance
Water Heater
Brand
GE
Warranty
30-day workmanship

What F96 means

On GE Profile GeoSpring hybrid heat pump water heaters made from June 2025, such as the GEH50DEEJSC, F96 means the CTA module is disconnected or its battery is low. The CTA module is the small add-on that sits with the heater and talks to the control. When it loses its link or power, the control shows F96. Your water heating usually continues, but the module's features may not work.

Common causes of F96

  • Module not connected
  • Module battery low
  • Module not seated correctly
✓ One safe check you can try

1. Check that the CTA module is plugged in and seated the way your owner's manual shows. 2. Reconnect it if it has come loose. 3. Replace the module battery if it is low, using a fresh one. 4. Watch the display and confirm F96 clears. 5. If F96 remains, call us and we will test the module.

! Why to stop there
  • A reconnected module with a fresh battery that still shows F96 needs testing.
  • We check the connection and the control.
  • Water heating normally continues while we work out the module.
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 Water Heater codes

F10GE GeoSpring First-Generation GEH50DEED Code F10: Top element problem F11GE GeoSpring First-Generation GEH50DEED Code F11: Tank must be filled bAd linE (F12)GE GeoSpring First-Generation GEH50DEED Code bAd linE (F12): Supply voltage low F13GE GeoSpring First-Generation GEH50DEED Code F13: Keypad key stuck Dirty Filter (F14)GE GeoSpring First-Generation GEH50DEED Code Dirty Filter (F14): Clean the filter F15GE GeoSpring First-Generation GEH50DEED Code F15: DataFlash memory error Attention! Tank not filled!GE GeoSpring GEH50DNSRSA Message "Attention! Tank not filled!": Fill before power Heat Pump FailureGE GeoSpring GEH50DXSRGA Message "Heat Pump Failure": Heat pump section problem
F96F96 questions
What is the CTA module?

It is a small add-on that connects to the water heater and communicates with its control. F96 means the control cannot reach the module, or the module battery is weak.

Is F96 urgent?

Usually not. It is a notice about the module, and water heating normally continues. Reconnect the module or replace its battery, following the steps in your owner's manual.

It still shows after I tried that. What now?

We test the module and its connection, and check the control that talks to it. You get a written price before any repair, and our work carries a 30-day workmanship warranty.

Book a visit

Still unsure about F96?

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

(713) 547-5545