Daikin DR96TN0603BN Error Codes

Updated October 13, 2026 · by Aurora Star Tech Inc.

Daikin DR96TN0603BN error codes and diagnostic codes. The DR96TN0603BN is a Daikin furnace in the Daikin DR96TN/DD96TN series.

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Daikin DR96TN0603BN error codes list

Code	Meaning	Severity
E10	Grounding fault / poor neutral connection	High
E11	Flame rollout switch open	Critical
EAF	R-32 sensor communication lost - mitigation mode	High
EAL	R-32 refrigerant leak detected - mitigation mode	Critical
EAr	A2L relay fault - mitigation mode	High
EAS	R-32 sensor fault - mitigation mode	High
EbL	Low circulator current - hard lockout	High
EbU	Unexpected circulator current - hard lockout	High
EE0	Lockout - too many ignition retries (3)	High
EE1	Pressure switch closed at start of heating cycle	Medium
EE2	Pressure switch did not close (inducer runs, no ignition)	Medium
EE3	High (primary) limit open	High
EE4	Flame sensed with no call for heat	Critical
EE5	Open fuse (short in low voltage wiring)	Medium
EE6	Low flame signal	Low
EE8	High-stage pressure switch closed at start of heating cycle	Medium
EE9	High-stage pressure switch did not close	Medium
EEA	Reversed line polarity or grounding error	High
EEb	External gas valve error - valve not energized when it should be	High
EEC	Internal gas valve error - valve energized when it should not be	Critical
EEE	Internal control fault (IRQ loss)	High
EEH	Twinning error	Low
EEJ	Inducer relay error	High
EEL	Igniter relay / igniter circuit fault	High
EEn	Igniter open	High

Troubleshooting the DR96TN0603BN

Blowing cold air All brands · Furnace
No heat All brands · Furnace
Short cycling All brands · Furnace
Control display blank, furnace dead - Daikin DR96TN/DD96TN Daikin · Furnace
Furnace not paired with R-32 cooling - disable A2L function - Daikin DR96TN/DD96TN Daikin · Furnace
No heat - Daikin DR96TN/DD96TN Daikin · Furnace

Daikin DR96TN0603BN specs and setup data

Normal status displays (7-segment) Daikin · Furnace · Daikin DR96TN/DD96TN

All Daikin Furnace error codes →

Homeowner help: Furnace Not Turning On: What to Check · Furnace Blinking Light: What the Flash Codes Mean

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Daikin DR96TN0603BN error codes list

Troubleshooting the DR96TN0603BN

Daikin DR96TN0603BN specs and setup data

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