❄️Air Conditioner

York · DERA-F036N07 14 SEER

York DERA-F036N07 14 SEER EA Error Fix: Defrost Sensor Failure

The defrost sensor is malfunctioning or disconnected, causing the system to fail defrost cycles properly. This leads to ice buildup and reduced heating efficiency in heat pump mode.

Medium severity2 fixes available✨ Free fix available

Quick Answer

Error EA on the York DERA-F036N07 14 SEER means: Defrost Sensor Failure. The top-ranked community fix is “Replace defrost sensor” (medium difficulty, ~40 min, DIY cost: $20-$30). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · air conditioner

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.

Root Cause Analysis

Sensor MalfunctionPrimary

When to Call a Professional

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

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: $120-$170.

Other York Models with Error EA

YZF42B21S LX Series AC

air_conditioner · 2 fixes

Other York DERA-F036N07 14 SEER Error Codes

High Pressure Switch Trip

2 fixes

Low Pressure Switch Trip

2 fixes

Compressor Overload

2 fixes

Indoor Fan Motor Locked

2 fixes

Outdoor Fan Motor Failure

2 fixes

Evaporator Coil Freeze

2 fixes

Thermistor Open Circuit

2 fixes

Communication Error Between Indoor and Outdoor Units

2 fixes

People Also Ask About York DERA-F036N07 14 SEER Error EA

What does error code EA mean on a York DERA-F036N07 14 SEER?

Error code EA on the York DERA-F036N07 14 SEER means: Defrost Sensor Failure. The defrost sensor is malfunctioning or disconnected, causing the system to fail defrost cycles properly. This leads to ice buildup and reduced heating efficiency in heat pump mode.

How do I fix error code EA on my York DERA-F036N07 14 SEER?

The most successful fix is "Replace defrost sensor" (medium difficulty, ~40 minutes). Estimated DIY cost: $20-$30. HomeMD has 2 community-ranked fixes for this error.

Is error code EA on a York DERA-F036N07 14 SEER serious?

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Can I fix York DERA-F036N07 14 SEER error EA myself?

Yes — the top-ranked community fix ("Replace defrost sensor") is rated medium difficulty and takes about 40 minutes. Tools needed: Phillips screwdriver, Multimeter.

How much does it cost to repair York DERA-F036N07 14 SEER error EA?

DIY cost: $20-$30. Professional repair typically costs $120-$170. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the York DERA-F036N07 14 SEER have?

The York DERA-F036N07 14 SEER has 8 other known error codes, including: E1 (High Pressure Switch Trip), E2 (Low Pressure Switch Trip), E3 (Compressor Overload), E4 (Indoor Fan Motor Locked), E5 (Outdoor Fan Motor Failure), and 3 more.

Which other York models have the EA error?

Error code EA also appears on 1 other York model: YZF42B21S LX Series AC. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the York DERA-F036N07 14 SEER have?

The York DERA-F036N07 14 SEER has 8 other known error codes:

E1 — High Pressure Switch Trip (2 fixes)
E2 — Low Pressure Switch Trip (2 fixes)
E3 — Compressor Overload (2 fixes)
E4 — Indoor Fan Motor Locked (2 fixes)
E5 — Outdoor Fan Motor Failure (2 fixes)
E6 — Evaporator Coil Freeze (2 fixes)
E7 — Thermistor Open Circuit (2 fixes)
E8 — Communication Error Between Indoor and Outdoor Units (2 fixes)

Which other York models have the EA error?

Error code EA also appears on 1 other York model:

YZF42B21S LX Series AC (air conditioner) · 2 fixes

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