mypros+
Error code reference

GE Refrigerator Error Code 0655

FZ icemaker mold heater not heating.

GE codesGE refrigerator codes

FZ icemaker mold heater not heating.

MyPros+ Max

Get the full diagnostic procedure for 0655.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What 0655 means on a GE refrigerator

Error code 0655 on a GE refrigerator indicates that the freezer icemaker mold heater is not heating as expected. The icemaker mold heater is a resistance heating element embedded in or attached to the ice mold assembly. Its function is to briefly warm the mold surface during the harvest cycle so that finished ice cubes release cleanly from the tray. When the control board detects that this heater is failing to produce the expected temperature rise within the allotted time, it logs code 0655 and may halt or impair the harvest cycle entirely.

The most common root causes fall into a few categories: a failed heater element itself, a broken or high-resistance wiring connection between the control board and the heater, or a faulty icemaker module that is not sending the harvest signal to the heater circuit. The heater element can fail open, meaning the circuit is completely broken, or develop high resistance that prevents adequate heat output. Connectors at the icemaker harness are also a known failure point, particularly in freezer environments where thermal cycling causes connector pins to loosen or corrode over time.

Diagnosing this code requires isolating the mold heater circuit. A technician should disconnect the heater from the wiring harness and measure its resistance with a multimeter. An open reading or a resistance value far outside the expected range for the specific heater confirms element failure. If the heater checks out within spec, attention should shift to the wiring harness continuity and the icemaker control module itself. Resolving this code typically restores normal ice production.

Source: manufacturer service documentation.

Common causes of 0655

  1. 01

    Failed mold heater element

    Part replacement

    The resistance heating element inside the icemaker mold assembly can fail open or develop excessive resistance, preventing it from generating heat. Testing the heater with a multimeter will show an open circuit or an out-of-range resistance reading if the element has failed.

  2. 02

    Damaged or loose wiring harness connection

    Wiring / connection

    The connector between the icemaker wiring harness and the mold heater can loosen, corrode, or develop a break in the freezer environment. Inspecting the connector pins for discoloration, pitting, or poor seating can confirm this as the cause.

  3. 03

    Faulty icemaker control module

    Part replacement

    The icemaker module controls when the mold heater is activated during the harvest cycle. If the module fails internally, it may not send power to the heater even though the heater element itself is intact.

  4. 04

    Open circuit in freezer wiring

    Part replacement

    A wire in the harness running to the mold heater can crack or break due to repeated freezer temperature cycling. Continuity testing along the full harness length will identify any open section.

  5. 05

    Main control board fault

    Part replacement

    In less common cases, the main refrigerator control board may not be sending the correct signal or voltage to activate the mold heater circuit during harvest. This is typically diagnosed only after the heater, wiring, and icemaker module have been ruled out.

See the test procedure for each cause

Frequently asked questions about 0655

What does 0655 mean on a GE refrigerator?
Code 0655 means the freezer icemaker mold heater is not heating when expected. The mold heater is responsible for warming the ice tray surface so cubes release during the harvest cycle. When the control system detects no heat output from this component, it stores this code. The result is typically a disrupted or stopped ice-making cycle.
Can I fix error code 0655 on my GE refrigerator myself?
Some aspects of this repair are approachable for a skilled DIYer, such as inspecting and reseating the icemaker wiring harness connector. However, testing the mold heater resistance and replacing the heater element or icemaker module requires a multimeter, some disassembly of the freezer compartment, and comfort working with electrical components. If you are not confident with those steps, a qualified appliance technician is the safer option.
Will resetting my GE refrigerator clear error code 0655?
A reset may temporarily clear the code from the display, but it will return if the underlying problem with the mold heater circuit is not resolved. Because the code is triggered by an actual measured failure in the heater circuit, clearing it without a repair does not restore icemaker function. The reset is only useful as part of a broader diagnostic process, not as a fix on its own.
Is error code 0655 on a GE refrigerator a safety concern?
Code 0655 does not represent a safety hazard in most cases. The mold heater operates at low wattage and is only active briefly during the harvest cycle. The primary consequence of this fault is that the icemaker stops producing ice. There is no risk of food spoilage from this code alone, as the freezer's main cooling system continues to operate normally.
How much does it cost to repair error code 0655 on a GE refrigerator?
Repair costs depend on which component has failed. A replacement icemaker mold heater or icemaker module typically ranges from around 30 to 120 dollars for the part, with labor adding 100 to 200 dollars if a technician is hired. If the main control board is the cause, parts alone can range from 150 to 350 dollars. Getting a diagnostic visit first helps narrow down the failed component before committing to parts.

Related GE refrigerator codes

All GE refrigerator codes
View all 540 GE refrigerator codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass