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Kenmore·Refrigeratormedium severity
Kenmore Refrigerator Error Code Er dH
Defrost heater failure
Common Causes
- 1Defrost heater burned out
- 2Defrost thermostat open
- 3Defrost timer/board failure
Step-by-Step Troubleshooting
- 1
Remove freezer back panel and check for heavy frost on evaporator coils
- 2
Test defrost heater continuity — should read 20-40 ohms
- 3
Test defrost bi-metal thermostat — should be closed (continuity) when cold
- 4
If heater and thermostat test good, the main board defrost relay has failed
Pro Diagnostic Tip
Applies to models starting with 795.xxxxx (LG platform). LG-platform Kenmore uses a glass tube defrost heater — test continuity at the harness connector behind the rear panel.
You Might Also Notice
- •Heavy frost on freezer back wall
- •Freezer too warm
- •Water pooling under crisper drawers
Parts, Cost & Difficulty
Repair Difficulty
Hard — Advanced Skills RequiredEstimated Repair Cost
$150–$300
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
5300JK1004A defrost heater (LG platform)6615JB2002A defrost thermostat
Do You Have the Right Tools?
Refrigerant gauges ($200+), vacuum pump ($250), leak detector ($150), and EPA-certified recovery equipment. Our technician arrives with $15K+ in professional tools — your diagnostic is free.
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Safety First — Know the Risks
Refrigerant (R-134a/R-600a) requires EPA certification to handle. Improper discharge is a federal violation and health hazard. Our techs are licensed and insured — let them handle the risk.
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Don't let error code Er dH disrupt your day. A professional diagnosis takes about 30 minutes — and it's free when you proceed with the repair.
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Frequently Asked Questions
What does Kenmore error code Er dH mean?
Kenmore error code Er dH indicates: Defrost heater failure. This is a medium-severity issue affecting your refrigerator.
How do I fix Kenmore error code Er dH?
Remove freezer back panel and check for heavy frost on evaporator coils Then, Test defrost heater continuity — should read 20-40 ohms Then, Test defrost bi-metal thermostat — should be closed (continuity) when cold There are 1 more steps — see the full troubleshooting guide above. This repair typically requires professional tools and expertise.
How do I know if my refrigerator has error Er dH?
Besides the error code on the display, common signs include: Heavy frost on freezer back wall; Freezer too warm; Water pooling under crisper drawers. If you notice any of these symptoms, check your refrigerator's display panel for error code Er dH.
How much does it cost to fix Kenmore Er dH?
Repair costs for Kenmore Er dH typically range from $150 to $300 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.