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Kenmore·Refrigeratormedium severity
Kenmore Refrigerator Error Code Er dH
Defrost heater not firing
Common Causes
- 1Glass-tube defrost heater burned open
- 2Defrost bi-metal stuck open
- 3Adaptive-defrost relay on the board dead
Step-by-Step Troubleshooting
- 1
Strip the freezer rear panel and look for the ice pack on the evaporator that proves the heater never fired
- 2
Ohm the glass-tube heater at its plug and expect a reading in the twenty-to-forty-ohm band, not open
- 3
Read the bi-metal terminator cold — it should show continuity when frozen and open as it warms
- 4
With heater and terminator both good, the defrost driver on the main board has quit
Pro Diagnostic Tip
This Er-coded 795-series Kenmore is an LG build whose freezer defrost relies on a glass-tube heater behind the rear evaporator panel. Pull that panel and ohm the heater at its harness connector; an open glass tube is the usual reason frost sheets up and the freezer creeps warm between cycles.
You Might Also Notice
- •A thick frost sheet across the freezer back wall
- •A freezer that drifts too warm
- •Melt water pooling beneath the 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 $3,000+ in professional tools — your diagnostic is free.
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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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Frequently Asked Questions
What does Kenmore error code Er dH mean?
Kenmore error code Er dH indicates: Defrost heater not firing. This is a medium-severity issue affecting your refrigerator.
How do I fix Kenmore error code Er dH?
Strip the freezer rear panel and look for the ice pack on the evaporator that proves the heater never fired Then, Ohm the glass-tube heater at its plug and expect a reading in the twenty-to-forty-ohm band, not open Then, Read the bi-metal terminator cold — it should show continuity when frozen and open as it warms 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: A thick frost sheet across the freezer back wall; A freezer that drifts too warm; Melt water pooling beneath the 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.
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