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Error code · Water Heater

GE GeoSpring PF/PH Code F41: Sensing Anode Wire or Empty Tank

On GE Profile GeoSpring PF and PH heat pump water heaters (2025 and newer) with a sensing anode, F41 means the anode rod wire is miswired or the tank is empty. The control watches the anode…

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Code
F41
Appliance
Water Heater
Brand
GE
Warranty
30-day workmanship

What F41 means

On GE Profile GeoSpring PF and PH heat pump water heaters (2025 and newer) with a sensing anode, F41 means the anode rod wire is miswired or the tank is empty. The control watches the anode through a dedicated terminal, and it alarms when it cannot see the anode as expected. It can also show F41 at installation if the tank has not been filled with water yet. Only models with the sensing anode use this code.

Common causes of F41

  • Tank not yet filled with water at installation
  • Anode wire not on the sensing anode terminal
  • Anode wire damaged or loose
  • Anode connection circuit at the control
✓ One safe check you can try

1. Make sure the tank is completely full. Open a hot faucet and let water run steadily before the unit has power. 2. If the heater was just installed, confirm the wire is on the sensing anode terminal. 3. Do not open covers on a powered unit. 4. If the code stays, switch off the breaker and call us.

! Why to stop there
  • A tank that is not full and a wiring problem look the same on the display, so we check the fill first.
  • We check the anode connection and wire when the power is safely off.
  • We give you a written price before replacing anything.
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 Water Heater codes

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 Water Heater FailureGE GeoSpring GEH50DNSRSA Message "Water Heater Failure": Electric side problem System FailureGE GeoSpring GEH50DXSRGA Message "System Failure": Immediate attention Wiring to unit incorrectGE GeoSpring GEH50DNSRSA Message "Wiring to unit incorrect. Must be 240V not 120V": Supply check EPGE GeoSpring GEH50DXSRGA Code EP: Energy price signal F5, F6, F7, F8GE GeoSpring First-Generation GEH50DEED Codes F5-F8: Sensor failures
F41F41 questions
Why does F41 appear on a new install?

The control alarms if the tank is empty when it powers up. Filling the tank completely before turning on power usually avoids this, and a wiring issue is the next thing we check.

Do all models have a sensing anode?

No. Only some PF and PH models have it, and only those use F41 and F70. Send us the model number and we will tell you which applies.

Is it dangerous to run with F41?

Never run a water heater with an empty tank, because the elements can burn out. Turn the power off at the breaker until the tank is full or we have inspected it.

Book a visit

Still seeing F41?

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

(713) 547-5545