Fisher & Paykel Refrigerator Error Code 41
Icemaker solenoid transistor 2 short circuit.
Icemaker solenoid transistor 2 short circuit.
First step from the service manual
Check the solenoid resistance (refer to Section 5.6). If not within limits, replace the solenoid. Check wiring and connections at the solenoid and module. If OK, replace the power/control module.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
Get the full diagnostic procedure for 41.
- 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
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What 41 means on a Fisher & Paykel refrigerator
Error code 41 on a Fisher & Paykel refrigerator indicates a short circuit condition detected in the transistor that drives icemaker solenoid 2 within the power/control module. The control module uses dedicated transistors to switch power to individual icemaker solenoids, and when the firmware detects that transistor 2 is pulling excessive current or is stuck in a low-resistance conducting state, it logs this fault. This is a protection mechanism designed to prevent the transistor from burning out or damaging surrounding circuitry on the module board.
The fault can originate from two distinct locations: the solenoid itself or the control module. A failed solenoid winding that has developed a short circuit between its coil layers will present an abnormally low resistance reading. Fisher & Paykel specifies acceptable resistance limits in Section 5.6 of the technical documentation, and any measurement outside those limits confirms the solenoid is the source. A shorted solenoid places excessive current demand on the transistor driver, which the module then reports as a transistor short circuit fault.
If the solenoid resistance tests within the specified limits, the wiring harness and connectors between the solenoid and the module must be inspected for chafing, pinched insulation, or terminals that have corroded and bridged to ground. If wiring and connections also check out correctly, the fault lies within the power/control module itself, where the transistor driver circuit has failed internally. In that case, replacing the power/control module is the required repair.
Source: manufacturer service documentation.
Common causes of 41
- 01
Shorted icemaker solenoid winding
Part replacementThe coil inside icemaker solenoid 2 can develop an internal short between winding layers, dropping resistance below the specified limits. This is confirmed by measuring solenoid resistance and comparing it against the values listed in Section 5.6.
- 02
Damaged or pinched wiring harness
Wiring / connectionWiring routed to the icemaker solenoid can become chafed, pinched, or abraded over time, allowing conductors to contact the refrigerator chassis or each other and create a short to ground. Inspect the full harness run from the solenoid connector back to the control module.
- 03
Corroded or bridged connector terminals
Wiring / connectionMoisture intrusion at the solenoid connector or module connector can cause terminal corrosion that bridges adjacent pins and creates a low-resistance fault path. Inspect both connector bodies for discoloration, debris, or moisture deposits.
- 04
Failed power/control module transistor
Part replacementThe transistor driver circuit on the power/control module that switches solenoid 2 can fail internally in a short-circuit mode. This is the diagnosis when the solenoid resistance is within spec and all wiring checks out clean.
Frequently asked questions about 41
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Will resetting my Fisher & Paykel refrigerator clear error code 41?
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