LG
WT7900H*A
Washing Machine
LG WT7900H*A — Error Code dHE
LG WT7900H*A error code dHE: Dual heater error (combo washer/dryer).
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Methodology: We combine manufacturer references with recurring service patterns, then review for safe, step-by-step repair guidance.
Sources: Manufacturer fault-code sheets, service manuals, and recurring field-repair patterns.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
Looking for the full diagnosis and repair guide? View complete LG Washing Machine error code dHE guide →
Repair guidance: the symptoms and steps below come from the canonical LG Washing Machine dHE guide and apply to WT7900H*A unless your manual says otherwise.
Symptoms on WT7900H*A
- ⚠️ Error code displayed
- ⚠️ Machine stops mid-cycle
- ⚠️ Cycle won't complete
How to Fix Error dHE on WT7900H*A
- 1 Unplug the washing machine for 60 seconds then plug back in — this resets the control board and clears many temporary faults
- 2 Test the heating element with a multimeter — replace if no continuity ($20–$80 part)
- 3 Check the thermal fuse — a blown fuse means there was overheating, also check the vent
- 4 If the error persists after basic troubleshooting, contact a qualified appliance technician
🛠️ You'll need: Multimeter, Screwdriver set, Nut driver
· Time: 30–60 min
Questions People Also Ask for Error dHE
What does LG Washing Machine error code dHE mean? ▼
Error code dHE on a LG Washing Machine means: Dual heater error (combo washer/dryer). The appliance detected this condition and has stopped or limited operation to prevent further damage.
How do I fix LG Washing Machine error code dHE? ▼
First, unplug the washing machine for 60 seconds to reset the control board. If error dHE returns, the root cause (dual heater error (combo washer/dryer)) needs to be addressed — check connections, filters, and hoses before calling a technician.
Is it safe to use my LG Washing Machine with error code dHE? ▼
It depends on the cause. Most dHE errors mean the appliance has stopped itself as a safety measure. Check the 'Should I unplug it?' section above for specific guidance on this error.