🌡️Heat Pump

E08

York · DERA-P036N07 HP 16 SEER

York DERA-P036N07 HP 16 SEER E08 Error Fix: Communication Error Between Indoor and Outdoor Units

Communication failure between the indoor and outdoor controllers, caused by wiring issues or control board faults. This stops system operation or causes erratic function.

High severity2 fixes available

Quick Answer

Error E08 on the York DERA-P036N07 HP 16 SEER means: Communication Error Between Indoor and Outdoor Units. The top-ranked community fix is “Replace Indoor Control Board” (hard difficulty, ~90 min, DIY cost: $150-$250). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · heat pump

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

Control Board FailurePrimary

Electrical Fault → Wiring Harness Damaged

When to Call a Professional

While many heat pump 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: $400-$600.

Other York Models with Error E08

GM9S080B12MP11 80,000 BTU 96% AFUE Single-Stage Upflow Gas Furnace

furnace · 2 fixes

TM8E100C20MP11 100,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace

furnace · 2 fixes

TM9V080B12MP11 80,000 BTU 96% AFUE 2-Stage Variable-Speed Gas Furnace

furnace · 2 fixes

YCG42B21S 3.5 Ton 14 SEER Affinity Series Air Conditioner with Scroll Compressor

air_conditioner · 2 fixes

Other York DERA-P036N07 HP 16 SEER Error Codes

E01

Indoor Fan Motor Lock

2 fixes

E02

Outdoor Unit Compressor Overcurrent

2 fixes

E03

High Pressure Switch Trip

2 fixes

E04

Low Pressure Switch Trip

Defrost Sensor Fault

Indoor Temperature Sensor Open Circuit

2 fixes

E07

Outdoor Ambient Temperature Sensor Fault

2 fixes

E09

Outdoor Fan Motor Stall

2 fixes

People Also Ask About York DERA-P036N07 HP 16 SEER Error E08

What does error code E08 mean on a York DERA-P036N07 HP 16 SEER?

Error code E08 on the York DERA-P036N07 HP 16 SEER means: Communication Error Between Indoor and Outdoor Units. Communication failure between the indoor and outdoor controllers, caused by wiring issues or control board faults. This stops system operation or causes erratic function.

How do I fix error code E08 on my York DERA-P036N07 HP 16 SEER?

The most successful fix is "Replace Indoor Control Board" (hard difficulty, ~90 minutes). Estimated DIY cost: $150-$250. HomeMD has 2 community-ranked fixes for this error.

Is error code E08 on a York DERA-P036N07 HP 16 SEER serious?

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

Can I fix York DERA-P036N07 HP 16 SEER error E08 myself?

Yes — the top-ranked community fix ("Replace Indoor Control Board") is rated hard difficulty and takes about 90 minutes. Tools needed: Phillips screwdriver, Multimeter.

How much does it cost to repair York DERA-P036N07 HP 16 SEER error E08?

DIY cost: $150-$250. Professional repair typically costs $400-$600. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the York DERA-P036N07 HP 16 SEER have?

The York DERA-P036N07 HP 16 SEER has 8 other known error codes, including: E01 (Indoor Fan Motor Lock), E02 (Outdoor Unit Compressor Overcurrent), E03 (High Pressure Switch Trip), E04 (Low Pressure Switch Trip), E05 (Defrost Sensor Fault), and 3 more.

Which other York models have the E08 error?

Error code E08 also appears on 4 other York models: GM9S080B12MP11 80,000 BTU 96% AFUE Single-Stage Upflow Gas Furnace, TM8E100C20MP11 100,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace, TM9V080B12MP11 80,000 BTU 96% AFUE 2-Stage Variable-Speed Gas Furnace, YCG42B21S 3.5 Ton 14 SEER Affinity Series Air Conditioner with Scroll Compressor. 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-P036N07 HP 16 SEER have?

The York DERA-P036N07 HP 16 SEER has 8 other known error codes:

E01 — Indoor Fan Motor Lock (2 fixes)
E02 — Outdoor Unit Compressor Overcurrent (2 fixes)
E03 — High Pressure Switch Trip (2 fixes)
E04 — Low Pressure Switch Trip (2 fixes)
E05 — Defrost Sensor Fault (2 fixes)
E06 — Indoor Temperature Sensor Open Circuit (2 fixes)
E07 — Outdoor Ambient Temperature Sensor Fault (2 fixes)
E09 — Outdoor Fan Motor Stall (2 fixes)

Which other York models have the E08 error?

Error code E08 also appears on 4 other York models:

GM9S080B12MP11 80,000 BTU 96% AFUE Single-Stage Upflow Gas Furnace (furnace) · 2 fixes
TM8E100C20MP11 100,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace (furnace) · 2 fixes
TM9V080B12MP11 80,000 BTU 96% AFUE 2-Stage Variable-Speed Gas Furnace (furnace) · 2 fixes
YCG42B21S 3.5 Ton 14 SEER Affinity Series Air Conditioner with Scroll Compressor (air conditioner) · 2 fixes

Ad Space — banner

Replace ADSENSE_PUBLISHER_ID in AdUnit.tsx