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Error code reference

GE Range Error Code F170

Power failure detected.

Power failure detected.

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What F170 means on a GE range

The F170 error code on a GE range indicates that the control board has detected a power failure event. This typically means the appliance experienced an interruption, fluctuation, or anomaly in the incoming electrical supply that the control system logged and flagged. Modern GE ranges use a microprocessor-based control board that continuously monitors supply voltage, and when a significant drop or loss of power is detected, the board records this fault and displays the F170 code upon power restoration.

The most common scenario is a momentary power outage, voltage sag, or utility grid fluctuation that caused the range to lose power briefly. When power is restored, the control board recognizes that an uncontrolled shutdown occurred and surfaces the F170 code to alert the user or technician. In some cases, loose or degraded wiring connections at the terminal block, the wall outlet, or internally within the appliance can cause intermittent voltage drops that trigger this same fault.

Because the code is tied to power supply integrity, diagnosis should begin at the electrical source before assuming component failure. Checking the circuit breaker, inspecting the terminal block connections, and verifying that the outlet or hardwired connection is delivering stable voltage are all appropriate early steps. If power supply checks out as solid and the error persists or returns repeatedly, the control board itself may be retaining the fault or failing to clear it properly, which can point to a board-level issue.

Source: manufacturer service documentation.

Common causes of F170

  1. 01

    Momentary power outage or utility fluctuation

    Wiring / connection

    A brief loss of power from the utility grid is the most frequent trigger for F170. The control board logs the uncontrolled shutdown and displays the code when power returns.

  2. 02

    Tripped or weak circuit breaker

    Wiring / connection

    A breaker that tripped or is beginning to fail can cause intermittent power loss to the range. Check the breaker panel for a tripped breaker and test the breaker under load if the fault recurs.

  3. 03

    Loose or corroded terminal block connections

    Wiring / connection

    The terminal block where the power cord connects to the range can develop loose or oxidized connections over time, causing voltage drops that trigger this fault. Inspect the terminal block for discoloration, burn marks, or looseness.

  4. 04

    Faulty or degraded power cord

    Part replacement

    A power cord with damaged wiring or a compromised connector can produce intermittent voltage interruptions that the control board detects as a power failure event.

  5. 05

    Failed or malfunctioning control board

    Part replacement

    If the power supply checks out and the error returns without any actual power interruption, the control board may be generating false power failure faults due to an internal component failure.

See the test procedure for each cause

Frequently asked questions about F170

What does F170 mean on a GE range?
The F170 code on a GE range means the control board detected a power failure event. This can be triggered by a utility outage, a tripped breaker, or a wiring connection issue. The range logs this event and displays the code when power is restored. It does not always indicate a broken component, but the electrical supply and connections should be inspected.
Will resetting the range clear the F170 error code?
In many cases, resetting the range by turning off the circuit breaker for 30 to 60 seconds and then restoring power will clear the F170 code. If the code returns repeatedly without any obvious power outage, there may be an underlying wiring or control board issue that needs further diagnosis.
Is it safe to use my GE range while the F170 code is displayed?
If the code appeared after a known power outage and the range otherwise operates normally after a reset, continued use is generally low risk. However, if the code recurs frequently or you notice signs of electrical problems such as flickering, burning smells, or discolored wiring connections, stop using the range and have it inspected before operating it again.
How do I fix the F170 error on a GE range?
Start by resetting the breaker and clearing the code. Then inspect the circuit breaker, the power cord, and the terminal block connections for any signs of damage, looseness, or corrosion. If the electrical supply is solid and the error keeps returning, the control board may need to be tested or replaced by a qualified technician.
How much does it cost to repair a GE range showing F170?
If the fault is simply a logged power outage requiring only a reset, there is no repair cost. If the terminal block or power cord needs replacement, parts and labor typically range from $75 to $200 depending on the model and service rates in your area. A control board replacement, if needed, generally runs between $150 and $400 or more including parts and labor.

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