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Error code reference
GE Refrigerator Error Code R-10-g
Water Tank Heater Error
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What the R-10-g error code actually means
Your GE refrigerator has detected a problem with the small heater that keeps the internal water tank from freezing. The refrigerator's control board checked the heater and found that the electrical circuit is either broken, disconnected, or shorted out. Until this is repaired, the water dispenser or ice maker may not function correctly.
Diagnostic procedure
The full R-10-g procedure
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1
First diagnostic step
With MAIN PCB CN78 separated from PCB, check resistance between black to brown wire; should be 45 ohms ±7%. Check 0 ohm: heater short, ∞ ohm: wire/bimetal open.
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Most common causes of R-10-g
Ranked by how often they cause this code
- 1Open or broken wire in the heater circuit
- 2Failed bimetal thermal cutout
- 3Shorted water tank heater element
- 4Loose or corroded connector at CN78
- 5Separated heater housing or contact error
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Questions people ask about R-10-g
What does R-10-g mean on a GE refrigerator?
R-10-g is a Water Tank Heater Error code on GE refrigerators. It means the main control board has detected a fault in the water tank heater circuit, which can include an open circuit, a short circuit, a broken wire, or a contact failure. The heater involved is responsible for preventing the refrigerator's water supply tank from freezing.
Is the R-10-g error on a GE refrigerator dangerous?
A shorted heater element, which produces a 0-ohm reading, can represent a potential electrical hazard and should be addressed promptly. An open circuit condition is less immediately dangerous but will leave the water tank without freeze protection. In either case, the refrigerator should be inspected and repaired before continued use of the water or ice dispensing functions.
How much does it cost to repair the R-10-g error on a GE refrigerator?
Repair costs depend on which component has failed. If only a wire connection or connector needs to be reseated or repaired, costs can be minimal, primarily covering a service call in the range of $75 to $150. If the water tank heater assembly or bimetal component requires replacement, parts plus labor typically range from $150 to $350 depending on the specific model and local labor rates.
Can I fix the R-10-g error myself?
A knowledgeable DIYer can perform the initial resistance test by disconnecting connector CN78 from the main PCB and measuring resistance between the black and brown wires with a multimeter. If the reading is within 45 ohms plus or minus 7 percent, the heater itself is functional and the issue may be wiring or a connector. Readings of 0 ohms or infinite ohms point to a shorted heater or an open circuit that may require part replacement, which is best handled by someone comfortable working with refrigerator wiring.
Will resetting the refrigerator clear the R-10-g error?
Resetting the refrigerator may temporarily clear the error code from the display, but the fault condition in the water tank heater circuit will still exist. The control board will detect the same abnormal resistance and re-trigger the error code during its next monitoring cycle. A reset is not a repair, and the underlying wiring, bimetal, or heater issue must be corrected to resolve the code permanently.
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