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Error code reference
GE Range Error Code ER 23
MTwisT Control fault
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What the ER 23 error code actually means
Your GE range has detected a problem with the electronic system that controls how power is delivered to your burners or heating elements. The internal signal used to regulate that power is running at the wrong speed, which caused the range to stop and display this error. This is typically a control board issue that will need professional diagnosis to resolve safely.
Diagnostic procedure
The full ER 23 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
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1
Confirm the fault
Power cycle the unit: switch off the breaker for 60 seconds, then restore power. If the code returns, the fault is persistent and the procedure below isolates the cause.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of ER 23
Ranked by how often they cause this code
- 1Faulty main control board
- 2MTwisT module communication failure
- 3Loose or corroded wiring connections
- 4Unstable or improper supply voltage
- 5Thermal damage to control electronics
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Questions people ask about ER 23
What does ER 23 mean on a GE range?
ER 23 indicates a fault in the MTwisT control system where the PWM frequency, the signal used to regulate power delivery to heating elements, has gone outside its acceptable operating limits. The range detects this deviation and shuts down to prevent unsafe heating conditions. This is generally a control board or wiring issue rather than a problem with the heating elements themselves.
Is it safe to use my GE range while ER 23 is displayed?
It is not recommended to continue using the range while this fault is active. ER 23 indicates the power regulation system is not operating within safe frequency limits, which could result in erratic or uncontrolled heating. Discontinue use until the fault has been properly diagnosed and resolved.
How much does it cost to repair a GE range showing ER 23?
Repair costs vary depending on the root cause. If the issue is a loose wiring connection, the cost may be limited to a service call fee, typically in the range of $75 to $150. If the main control board or MTwisT module requires replacement, parts alone can range from $150 to $400 or more depending on the model, with labor adding to the total. Getting a diagnostic assessment before committing to parts replacement is advisable.
Can I fix ER 23 on my GE range myself?
Some basic checks are within reach for a knowledgeable DIYer, such as inspecting wiring harness connectors for corrosion or looseness and verifying proper supply voltage at the terminal block. However, if the fault traces back to the MTwisT control module or the main control board, component-level repair or board replacement requires working with line voltage and should be handled by a qualified technician. Attempting control board repairs without proper training and tools carries a serious risk of electric shock.
Will resetting my GE range clear the ER 23 error?
Resetting the range by cycling power at the breaker may temporarily clear the ER 23 code, but if the underlying cause is a failing control board component, a wiring issue, or a voltage problem, the error will almost certainly return with continued use. A reset alone is not a repair and should only be used as a first diagnostic step to determine whether the fault is intermittent or persistent.
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