GE Range Error Codes: Complete 2026 Guide

How GE Range Error Codes Work

GE ranges with electronic touch controls display fault codes as flashing alphanumeric sequences on the clock/timer display or oven control panel. When a fault is detected, the range emits a series of beeps and shows the code — most models alternate between the fault code and the current mode (for example, flashing "F3" and "— —" in sequence). On models with a self-clean lockout, an active fault may prevent the door from opening; see the F9 and F2 sections below for how to handle those scenarios safely.

Standard GE freestanding and slide-in models (JB, JS, JGS, JGSS, JCAS series): F-codes F1 through F9 on the digital clock display. Some older models use a "PF" (Power Failure) alert that clears with a single button press — not a fault code.

GE Profile (PB, PGS, PHS series): Same F-code vocabulary as standard models. Profile models with color touchscreens may display a plain-English message ("Oven Too Hot," "Sensor Fault") alongside or instead of the F-code. Connected Profile models push fault alerts to the SmartHQ app, which can provide additional diagnostic context before you call a technician.

GE Café (CGS, CHS series): Identical fault code system to Profile. The Café app mirrors SmartHQ behavior. Café dual-fuel models (gas cooktop, electric oven) use the same oven fault codes as purely electric models — gas burner faults on these models are typically not code-driven but instead manifest as igniter failure or valve issues.

Key ownership note: GE Appliances has been owned by Haier since 2016 but operates independently with its own parts, service, and warranty infrastructure. The F-code system and RTD sensor resistance values documented here apply to units manufactured under both the pre- and post-Haier ownership periods.

Universal Reset Procedure (Do This First)

Before diagnosing any specific code, perform a full power-cycle reset. GE range control boards can generate transient fault codes from brief power fluctuations, a door that closed too hard, or a momentary sensor glitch — many clear permanently after a proper reset.

1. Unplug the range from the wall outlet. Electric ranges typically use a 240V/50A outlet with a 4-prong plug. If the range is hardwired or the outlet is inaccessible behind a heavy slide-in unit, turn off the dedicated circuit breaker in your panel. Do not rely on a control lock or cancel button — only a full power disconnection resets the control board.
2. Wait a full 30 seconds. This discharges the capacitors on the ERC (Electronic Range Control) board and clears all transient fault states.
3. Restore power and wait 2 minutes for the startup and self-diagnostic cycle to complete before testing the oven.
4. If the code does not return during a normal 30-minute bake cycle, the event was transient. If the code returns during startup or during cooking, a physical component has failed and must be repaired.

Exception: F2 during or after self-clean. Never run a power cycle while the oven door is still in the locked position after a self-clean cycle — the door lock will remain engaged if the board has faulted mid-cycle. See the F2 and F9 sections for safe door-release procedures specific to these scenarios.

F2 — Temperature Runaway: GE's Most Safety-Critical Range Code

F2 means the oven detected a temperature that exceeded the safe operating threshold — approximately 615–630°F during a normal bake cycle and approximately 990°F during a self-clean cycle. When F2 trips, the control board immediately cuts power to the bake and broil elements and locks the oven. Do not override this lockout. F2 is a genuine safety shutdown, not a nuisance code.

Critical fact: The majority of F2 codes are caused by a problem with the ERC board or sensor, not by a runaway oven. In most cases, the oven temperature never actually reached the threshold — F2 fired because the board received a faulty signal telling it the temperature was too high (or too low, causing the board to overheat the oven trying to reach setpoint).

Welded Relay on the ERC Board

The ERC board controls the bake and broil elements through a set of relays. Over time — especially on ranges that have run many self-clean cycles — a relay contact can weld shut, permanently connecting power to the heating element. The board cannot cut power through a welded relay, so the element stays on past the set temperature and F2 trips. This is the most expensive F2 repair: an ERC board replacement costs $80–$250 for the part, with all-in labor bringing the total to $250–$550. Before authorizing board replacement, confirm the sensor is healthy (see F3 below) — a shorted sensor can trigger F2 by sending a false temperature reading that causes the board to overheat the oven.

One quick test for a welded relay: with the range unplugged, remove the back panel and use a multimeter to measure continuity across each relay contact on the ERC board. A welded contact reads continuity even when the relay coil is de-energized. If you find one, the board must be replaced. This test requires access to the board and some comfort with multimeter use.

Sensor Fault Masquerading as F2

A shorted RTD temperature sensor (the F4 condition) sends a near-zero ohm reading to the board, which the board interprets as an extremely low temperature. In response, the board continuously applies full power to the element trying to reach setpoint — until the actual oven temperature exceeds the F2 threshold and the safety trip fires. If F2 and F4 appear together, or if F2 appears without any obvious board relay fault, test the RTD sensor first (see F3/F4 section below) before assuming ERC board failure. A $20–$45 sensor replacement is far preferable to a $250+ board.

F3 — Open RTD Temperature Sensor: GE's Most Common Range Error

F3 means the oven temperature sensor has an open circuit — the control board cannot get a valid resistance reading from the probe. Without temperature feedback, the board cannot regulate heat and will refuse to run a bake or broil cycle. F3 is the single most frequently reported GE range fault code, and it is almost always resolved by replacing the $20–$45 RTD sensor rather than the $80–$250+ ERC board.

The RTD (Resistance Temperature Detector) probe is a thin stainless-steel tube typically mounted on the rear interior wall of the oven cavity, secured by two screws. A two-conductor wire harness runs from the probe through the oven wall to the ERC board. Failure modes: the probe element burns out internally (most common), the lead wire breaks at the oven wall feedthrough (common on older units where the wire is repeatedly flexed by heat cycling), or the connector at the board corrodes and loses contact.

Testing the RTD Sensor with a Multimeter

This is the most important diagnostic test for F3 and F4 — it definitively determines whether the sensor or the board is at fault before you spend money on either part.

1. Unplug the range. Wait 30 seconds.
2. Open the oven door and locate the RTD probe on the rear interior wall (a pencil-sized metal rod, usually upper-right or upper-center). Remove the two mounting screws and gently pull the probe out far enough to access the wire connector.
3. Disconnect the connector and set your multimeter to resistance (ohms) mode.
4. Measure resistance across the two sensor terminals. At room temperature (approximately 70°F / 21°C), a functioning GE RTD sensor reads 1,080–1,100 ohms.
5. OL (overload / infinite resistance): The sensor has an open circuit → replace the sensor (F3 confirmed).
6. Near 0 ohms: The sensor is shorted → replace the sensor (F4 confirmed).
7. 1,080–1,100 ohms: The sensor is good. The fault is in the wiring harness between the sensor and the ERC board, or in the ERC board itself. Inspect the lead wire along its full length for chafing or breaks before replacing the board.

Replacement RTD sensors for GE ranges cost $20–$45 and are model-specific by part number (WB21X22134 and WB21T10007 are common GE variants — confirm against your model number). Installation requires removing two screws and unplugging the connector — approximately 15–20 minutes with basic hand tools. All-in with a technician: $100–$165.

F4 — Shorted RTD Temperature Sensor

F4 is the logical opposite of F3: the RTD sensor's internal resistance reads near zero rather than infinite. A shorted sensor sends an artificially low temperature signal — the board reads the oven as cold when it may actually be at full temperature, causing continuous heating. As described in the F2 section, an F4-shorted sensor can chain-trigger an F2 overheat safety trip if not caught first. Test and replace the sensor using the same multimeter procedure described in the F3 section above. Cost and labor are identical: $20–$45 for the part, $100–$165 all-in.

One practical tip: if your GE range is displaying both F2 and F4, always start with the sensor. It is a $20 part that you can test definitively with a $15 multimeter before spending $250+ on an ERC board that may not be the cause.

F1 — ERC Board or Stuck Key: The Code That Can Mean Two Different Things

F1 is GE's catch-all code for an ERC (Electronic Range Control) board fault or a stuck touch-pad key. The ambiguity is important — the diagnosis determines whether you spend $30–$80 on a keypad or $80–$250+ on a board.

F1 caused by a stuck key: On older GE ranges, F1 can fire when a keypad button is mechanically stuck in the depressed position — the board interprets a continuously pressed key as a fault condition. Try pressing each key on the touchpad firmly to see if one feels different or makes an unusual sound. If pressing a specific key clears the code, the keypad membrane has failed. Keypad replacement costs $30–$80 and is a straightforward swap on most models.

F1 caused by a failed ERC board: If all keys feel normal and F1 returns immediately after a power cycle, the ERC board itself has failed — typically due to component aging, a power surge, or thermal stress from repeated self-clean cycles. ERC board replacement costs $80–$250 for the part. All-in with labor: $250–$550.

A useful data point: self-clean cycles run the oven at 900–1,000°F for 2–4 hours, which subjects the ERC board (mounted immediately behind the control panel) to far more heat than any normal cooking cycle. GE ranges that have run many self-clean cycles over their lifetime have meaningfully higher ERC board failure rates than those cleaned manually. This is not a reason to avoid self-clean — but it is relevant context when diagnosing F1 on an older unit.

F7 — Stuck Function Key: The Beeping That Won't Stop

F7 is specific to a stuck function key — different from F1 in that F7 pinpoints the failure to the keypad membrane rather than to the ERC board. The defining symptom is persistent, non-stop beeping as the board registers a continuously depressed key. F7 is annoying but not dangerous — the oven does not heat with a stuck-key fault active.

The most common cause is grease or moisture that has infiltrated the keypad membrane over years of cooking, causing one or more key contacts to stick in the closed position. On ranges near the stovetop, steam and grease buildup can work under the membrane even without visible spill damage.

Step 1 — Power cycle: Unplug for 30 seconds. F7 will clear on restart in about half of cases — the thermal release of the key contact during powerdown allows it to return to the open position. If F7 does not return, the keypad contact is marginally stuck and may hold for months before recurring.

Step 2 — Press each key: If F7 returns immediately after power is restored, press each key on the touchpad firmly one at a time, then power-cycle again. Occasionally a key that physically clicked into a closed position can be freed this way.

Step 3 — Replace the keypad: If F7 persists through both of the above, the keypad membrane has failed. Replacement costs $30–$80 for the part. Installation varies by model — most GE keypads are accessible from the front after removing a few mounting screws at the control panel top.

If a new keypad also triggers F7: The ERC board itself has the stuck-key circuit fault. Board replacement is required ($80–$250 for the part, $250–$550 all-in).

F9 — Door Lock Failure

F9 means the door lock mechanism did not complete its cycle within the expected time window. The oven door lock is used exclusively during self-clean cycles — it engages before the cycle reaches 600°F (to prevent door opening during dangerously high temperatures) and must disengage when the oven cools back below ~550°F after cleaning. F9 appears when either motion fails to complete.

Most common scenario — F9 at self-clean initiation: You press Start on a self-clean cycle, the range beeps, and F9 appears within 20–60 seconds. The door lock motor attempted to engage and failed. The oven has not yet reached dangerous temperatures, so the door is safe to open manually on most models (press Cancel/Off, wait 30 seconds, and try the handle). Cause: the door lock motor is worn or the lock position switch is faulty.

Second scenario — F9 after self-clean completion: The cleaning cycle ran successfully but the door remains locked and F9 appears when the oven attempts to disengage the lock after cooling. This is more urgent because the oven cannot be used until the door unlocks. Try a full power cycle — some boards re-attempt the unlock sequence on restart and succeed on the second try. If the door remains locked after three power-cycle attempts, the door lock assembly must be replaced. Do not attempt to force the door open on a locked GE range — the door hinge arms can be damaged.

Door lock assembly replacement costs $40–$90 for the part (GE part number WB14T10016 or model-specific equivalent). All-in with labor: $120–$220.

F5, F6, and F8: Less Common GE Range Codes

F5 — Relay Drive Circuit Loss

F5 means the ERC board has lost the ability to drive the output relay circuit — the internal driver that sends commands to the bake, broil, and convection relays has failed. Unlike F2 (where a relay may have welded) or F3 (a sensor issue), F5 is an internal ERC board failure and almost always requires board replacement. No DIY component-level fix exists for F5. ERC board cost: $80–$250 for the part, $250–$550 all-in. Confirm your range's manufacture date is within the 1-year GE limited warranty or 5-year "major component" coverage window before authorizing this repair — if covered, the board may be replaced at no or reduced cost.

F6 — Clock / Control Malfunction

F6 indicates a general clock or control module malfunction — the ERC board's internal clock circuit has failed or is producing invalid timing signals. F6 is uncommon on most GE range lines and is more prevalent on older models from the late 2000s and early 2010s with analog clock assemblies. A power cycle clears F6 in a small number of cases (transient timing glitch). If F6 persists, the clock/timer assembly within the ERC board has failed and the board must be replaced. Cost: $80–$250 for the part, $250–$550 all-in.

F8 — Input Power Frequency Out of Range

F8 is a rare code that indicates the AC power frequency delivered to the range is outside the expected 60 Hz ± tolerance. In practice, F8 almost never indicates a hardware failure on the range itself — it nearly always points to an external power quality issue: a generator powering the home with an unstable frequency output, a severely overloaded utility circuit, or (rarely) a failing main control board that is misreading the frequency. If F8 appears during a power outage or generator event, it will clear when grid power is restored. If F8 appears on normal utility power, have an electrician verify line frequency and voltage at the range outlet before replacing any components.

Complete GE Range Error Code Reference

Sensor vs. Board: How to Tell Before You Spend Anything

The most expensive diagnostic mistake on a GE range is replacing the ERC board ($80–$250+ part) when the problem is actually the RTD sensor ($20–$45 part). These two components share responsibility for the three most common codes — F1, F2, and F3 — and the board often gets blamed for sensor failures. The multimeter test described in the F3 section is the key differentiator:

• Sensor reads OL (infinite) or near 0 ohms: Replace the sensor. Do not order a board until you confirm the sensor is good.
• Sensor reads 1,080–1,100 ohms and connector is seated: The fault is in the wiring between the sensor and board, or in the board itself. Visually inspect the full length of the sensor lead wire (particularly at the oven wall feedthrough where it bends) before ordering a board.
• F7 or F1 with keypad symptoms (beeping, stuck key): Replace the keypad membrane first. Only order the ERC board if the new keypad fails to clear the code.

This three-step sequence — test the sensor → inspect the wire → replace the board — aligns with the diagnostic approach used by GE factory-authorized technicians and prevents the most common and expensive over-parts diagnosis in GE range service.

DIY vs. Call a Technician

Most GE range error codes have a clear DIY first step. Use this framework:

• Always DIY first: Full power cycle (30 seconds unplugged), RTD sensor resistance test, keypad key-press test, door lock power cycle. These are zero-cost diagnostics that resolve or pinpoint a significant share of all service calls.
• DIY-friendly parts replacement: RTD temperature sensor ($20–$45, 15–20 minutes), keypad membrane ($30–$80, 20–30 minutes), door lock assembly ($40–$90, 30–45 minutes). All three require only basic hand tools and a multimeter.
• Call a technician: ERC board diagnosis (requires reading relay contact states with power live — not a DIY task), any repair requiring 240V circuit work, gas valve or igniter service on gas ranges, F2 with a suspected welded relay (live board testing), or any code that returns within 24 hours after a correct power cycle and fresh sensor.

Before calling, use ApplianceIQ to confirm your model's manufacture date from the serial number and verify whether any active CPSC recalls affect your unit. Check the complete recall check guide for step-by-step instructions, and review the GE serial number decoder guide to decode your manufacture date in under 60 seconds.

Repair vs. Replace Math for GE Ranges

GE ranges are among the longer-lived kitchen appliances. The NAHB puts average lifespan at 13 years for electric and 15 years for gas models. GE's own documentation notes ranges commonly achieve 15–20 years with normal use. The standard 50% rule (replace if repair cost exceeds 50% of replacement cost) puts the threshold at roughly $300–$700 for a mid-range model, depending on tier and features.

• F3/F4 (RTD sensor) — $100–$165 all-in: Almost always worth repairing at any age under 14 years. Sensor failure is a wear event entirely independent of the sealed cooking system.
• F7 (keypad) — $100–$200 all-in: Repair on any unit under 13 years old. Keypads are consumable parts that fail from use, not age-related structural decline.
• F9 (door lock) — $120–$220 all-in: Repair on units under 13 years old. Lock assemblies are mechanical wear parts.
• F1/F2/F5 (ERC board) — $250–$550 all-in: Evaluate age carefully. On a unit over 11 years old, this cost approaches or exceeds the 50% rule for a basic replacement range. On a unit under 8 years old with no other issues, board replacement is nearly always economical.

For a complete structured decision framework, see our appliance repair-vs-replace decision tree and the 2026 repair cost math guide. For guidance on GE's serial number and manufacture date specifically, see the GE serial number decoder.