GE Washer - HW-4 Error Code
The mode shifter is not functioning.
Meaning
The mode shifter is not functioning.
This HydroWave LED code indicates that the washer’s mode shifter (which switches between agitate and spin modes) is not responding correctly. GE’s motor control monitors shifter position feedback; if the shifter fails to move or report correctly, this code is triggered.
Symptoms
Causes
Step-by-Step Fixes
- Inspect the mode shifter assembly.
- Test shifter coil resistance.
- Replace the shifter if defective.
Safety Notes
- Disconnect power before servicing mechanical components.
Applicable Models
Show Models
- GE HydroWave top-load washers
Related Pages
Other GE Washer Error Codes
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- GE Washer E38 Error Code
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- GE Washer E42 Error Code
- GE Washer E45 Error Code
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- GE Washer E48 Error Code
- GE Washer E4A Error Code
- GE Washer E4B Error Code
- GE Washer E4C Error Code
- GE Washer E50 Error Code
- GE Washer E52 Error Code
- GE Washer E54 Error Code
- GE Washer E56 Error Code
- GE Washer E57 Error Code
- GE Washer E58 Error Code
- GE Washer E60 Error Code
- GE Washer E61 Error Code
- GE Washer E63 Error Code
- GE Washer E64 Error Code
- GE Washer E65 Error Code
- GE Washer E66 Error Code
- GE Washer E67 Error Code
- GE Washer E70 Error Code
- GE Washer E71 Error Code
- GE Washer E85 Error Code
- GE Washer FAIL Code
- GE Washer HydroWave 1 Flash — Tub Taking Too Long to Stop
- GE Washer HydroWave 10 Flashes — No Communication With Control Board
- GE Washer HydroWave 2 Flashes — Belt Slipping
- GE Washer HydroWave 3 Flashes — Software Problem
- GE Washer HydroWave 5 Flashes — Motor Problem
- GE Washer HydroWave 6 Flashes — Motor Locked
- GE Washer HydroWave 7 Flashes — Lid Switch Stuck Closed
- GE Washer HydroWave 8 Flashes — Motor Overheated
- GE Washer HydroWave 9 Flashes — Brake Resistor Failed
- GE Washer LED Flash Code 1 — Lid Lock Will Not Unlock
- GE Washer LED Flash Code 2 — Lid Lock Will Not Lock
- GE Washer LED Flash Code 3 — Pressure Sensor Fault
- GE Washer LED Flash Code 4 — Drain Pump Fault
- GE Washer LED Flash Code 5 — Motor Fault
- GE Washer NOC Code
- GE Washer Sd Error Code
- GE Washer SL‑1 Status Light Code — Lid Lock Fault
- GE Washer SL‑10 Status Light Code — Fill Timeout
- GE Washer SL‑2 Status Light Code — Pressure Sensor Fault
- GE Washer SL‑3 Status Light Code — Drain Pump Fault
- GE Washer SL‑4 Status Light Code — Motor Fault
- GE Washer SL‑5 Status Light Code — Shifter Fault
- GE Washer SL‑6 Status Light Code — Suspension or Balance Fault
- GE Washer SL‑7 Status Light Code — Thermistor Fault
- GE Washer SL‑8 Status Light Code — Control Board Fault
- GE Washer SL‑9 Status Light Code — Water Valve Fault
- GE Washer SM‑1 — Enter Service Mode
- GE Washer SM‑2 — Error Code Retrieval
- GE Washer UE Error Code
- GE Washer UL Error Code
- GE Washer UPD Code
- GE Washer W1 Error Code
- GE Washer W2 Error Code
- GE Washer W3 Error Code
- GE Washer W4 Error Code
Model-Specific Notes
One of the most common HydroWave failures.
Disclaimer
The information provided on this page is for educational and informational purposes only. Repairs involve electrical, mechanical, and water-related risks. Always follow manufacturer instructions and consider contacting a qualified technician for diagnosis or repair.