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Frigidaire · FFTR1835VS 18 cu ft Top Freezer Stainless

Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless dH Error Fix: Defrost Heater Timeout

The defrost heater has been on longer than the maximum allowed time without the defrost thermostat opening. Could indicate a defrost thermostat stuck closed, a heater not producing sufficient heat, or excessive ice buildup. Check the defrost thermostat — it should open at approximately 40-50°F. Check the defrost heater output. The control board limits heater run time as a safety measure.

High severity2 fixes available✨ Free fix available

Quick Answer

Error dH on the Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless means: Defrost Heater Timeout. The top-ranked community fix is “Test and Replace Defrost Thermostat and Heater Assembly” (hard difficulty, ~75 min, DIY cost: $35-$60). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · refrigerator

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many refrigerator repairs can be done safely at home, consider hiring a qualified technician if:

This is a high severity error — continued use may cause damage or a safety hazard
The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $200-$280.

Other Frigidaire Models with Error dH

FFHT2045VS 20 cu ft Top Freezer

refrigerator · 2 fixes

FFSS2615TS 25.5 cu ft Side-by-Side Refrigerator with Factory-Installed Icemaker and Adjustable Shelves

refrigerator · 2 fixes

FGHD2368TF 22 cu ft Gallery Counter Depth French Door

refrigerator · 2 fixes

FGTR1845QF 18 cu ft Gallery Top Freezer

refrigerator · 2 fixes

Frigidaire FFHD2250TS 21.7 cu ft Counter Depth French Door Refrigerator with Store-More Shelves

refrigerator · 2 fixes

Frigidaire FGHB2868TF 26.8 cu ft Gallery French Door Refrigerator with PureAir Ultra Filter and PureSource Ultra II Water Filtration

refrigerator · 2 fixes

Frigidaire FRFN2813AF 28.1 cu ft Standard Depth French Door Refrigerator with Ice Maker

refrigerator · 2 fixes

Frigidaire GRQC2255BF 21.5 cu ft Gallery Counter Depth Quattro 4-Door French Door Refrigerator with Custom-Flex Temp Zone

refrigerator · 2 fixes

FRSS2623AS 25 cu ft Standard Depth Side-by-Side

refrigerator · 2 fixes

GRSS2652AF 25 cu ft Gallery Side-by-Side

refrigerator · 2 fixes

Other Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless Error Codes

Defrost Error — Defrost Cycle Failure

2 fixes

High Temperature Alarm — Fresh Food

2 fixes

Ice Maker Error

2 fixes

MECH-AUGER

Ice Maker Auger Motor Jam

2 fixes

MECH-COILS

Condenser Coils Dirty — Poor Cooling

2 fixes

MECH-DISPENSER

Water Dispenser Dripping or Not Working

2 fixes

MECH-GASKET

Door Gasket Worn or Torn

2 fixes

OF/OF

Cooling Off / Demo Mode Active

2 fixes

People Also Ask About Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless Error dH

What does error code dH mean on a Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless?

Error code dH on the Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless means: Defrost Heater Timeout. The defrost heater has been on longer than the maximum allowed time without the defrost thermostat opening. Could indicate a defrost thermostat stuck closed, a heater not producing sufficient heat, or excessive ice buildup. Check the defrost thermostat — it should open at approximately 40-50°F. Check the defrost heater output. The control board limits heater run time as a safety measure.

How do I fix error code dH on my Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless?

The most successful fix is "Test and Replace Defrost Thermostat and Heater Assembly" (hard difficulty, ~75 minutes). Estimated DIY cost: $35-$60. HomeMD has 2 community-ranked fixes for this error.

Is error code dH on a Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless serious?

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Can I fix Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless error dH myself?

Yes — the top-ranked community fix ("Test and Replace Defrost Thermostat and Heater Assembly") is rated hard difficulty and takes about 75 minutes. Tools needed: T20 Torx screwdriver, Multimeter.

How much does it cost to repair Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless error dH?

DIY cost: $35-$60. Professional repair typically costs $200-$280. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless have?

The Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless has 8 other known error codes, including: dE (Defrost Error — Defrost Cycle Failure), HI (High Temperature Alarm — Fresh Food), IC (Ice Maker Error), MECH-AUGER (Ice Maker Auger Motor Jam), MECH-COILS (Condenser Coils Dirty — Poor Cooling), and 3 more.

Which other Frigidaire models have the dH error?

Error code dH also appears on 10 other Frigidaire models: FFHT2045VS 20 cu ft Top Freezer, FFSS2615TS 25.5 cu ft Side-by-Side Refrigerator with Factory-Installed Icemaker and Adjustable Shelves, FGHD2368TF 22 cu ft Gallery Counter Depth French Door, FGTR1845QF 18 cu ft Gallery Top Freezer, Frigidaire FFHD2250TS 21.7 cu ft Counter Depth French Door Refrigerator with Store-More Shelves, Frigidaire FGHB2868TF 26.8 cu ft Gallery French Door Refrigerator with PureAir Ultra Filter and PureSource Ultra II Water Filtration, and 4 more. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless have?

The Frigidaire FFTR1835VS 18 cu ft Top Freezer Stainless has 8 other known error codes:

dE — Defrost Error — Defrost Cycle Failure (2 fixes)
HI — High Temperature Alarm — Fresh Food (2 fixes)
IC — Ice Maker Error (2 fixes)
MECH-AUGER — Ice Maker Auger Motor Jam (2 fixes)
MECH-COILS — Condenser Coils Dirty — Poor Cooling (2 fixes)
MECH-DISPENSER — Water Dispenser Dripping or Not Working (2 fixes)
MECH-GASKET — Door Gasket Worn or Torn (2 fixes)
OF/OF — Cooling Off / Demo Mode Active (2 fixes)

Which other Frigidaire models have the dH error?

Error code dH also appears on 10 other Frigidaire models:

FFHT2045VS 20 cu ft Top Freezer (refrigerator) · 2 fixes
FFSS2615TS 25.5 cu ft Side-by-Side Refrigerator with Factory-Installed Icemaker and Adjustable Shelves (refrigerator) · 2 fixes
FGHD2368TF 22 cu ft Gallery Counter Depth French Door (refrigerator) · 2 fixes
FGTR1845QF 18 cu ft Gallery Top Freezer (refrigerator) · 2 fixes
Frigidaire FFHD2250TS 21.7 cu ft Counter Depth French Door Refrigerator with Store-More Shelves (refrigerator) · 2 fixes
Frigidaire FGHB2868TF 26.8 cu ft Gallery French Door Refrigerator with PureAir Ultra Filter and PureSource Ultra II Water Filtration (refrigerator) · 2 fixes
Frigidaire FRFN2813AF 28.1 cu ft Standard Depth French Door Refrigerator with Ice Maker (refrigerator) · 2 fixes
Frigidaire GRQC2255BF 21.5 cu ft Gallery Counter Depth Quattro 4-Door French Door Refrigerator with Custom-Flex Temp Zone (refrigerator) · 2 fixes
FRSS2623AS 25 cu ft Standard Depth Side-by-Side (refrigerator) · 2 fixes
GRSS2652AF 25 cu ft Gallery Side-by-Side (refrigerator) · 2 fixes

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