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Daikin Error Code E11: Flame rollout switch open (Furnace)

Updated · by Aurora Star Tech Inc.

Daikin error code E11 on a furnace means: Flame rollout switch open. It is also called Daikin diagnostic code E11.

Critical severityFurnaceDaikin DR96TN/DD96TN

Homeowner? What Daikin code E11 means for you

Stop and call Your furnace is reporting: Flame rollout switch open. This code is a safety shutdown. Turn the furnace off and call a licensed technician. Do not keep resetting it. If you smell gas, leave the house and call your gas utility or 911 from outside.

Safe things you can check yourself

  • Check the thermostat: right mode (Heat or Cool), set a few degrees past room temperature, and fresh batteries if it uses them.
  • Make sure the unit has power: its on/off switch (often looks like a light switch near the unit) is ON and the breaker in the electrical panel is not tripped.

Call (647) 657-2977Book a service call

Licensed technicians serving Vaughan, Toronto and the GTA.

What does Daikin error code E11 mean?

A manual-reset flame rollout switch on the burner/manifold area has opened - flame came out of the burner box. The circulator blower runs continuously and the furnace will not fire.

Applies to: Daikin DR96TN (upflow/horizontal) and DD96TN (downflow/horizontal) two-stage 96% furnaces with 9-speed ECM motor, R-32 ready

Common causes of Daikin code E11

  • Wrong gas pressure / overfiring or wrong orifices
  • Burners misaligned or restricted; orifice plate out of position
  • Flame impingement, burners with oversized cross-over slots

A technician checks these and 2 other possible causes on site before replacing any part.

Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

Daikin models that use code E11

DD96TN0403BNDD96TN0603BNDD96TN0803BNDD96TN1005CNDR96TN0303ANDR96TN0403ANDR96TN0603ANDR96TN0603BNDR96TN0803BNDR96TN0804CNDR96TN1004CNDR96TN1005CNDR96TN1205DN

Other Daikin Furnace codes

CodeMeaning
E10Grounding fault / poor neutral connection
EAFR-32 sensor communication lost - mitigation mode
EALR-32 refrigerant leak detected - mitigation mode
EArA2L relay fault - mitigation mode
EASR-32 sensor fault - mitigation mode
EbLLow circulator current - hard lockout
EbUUnexpected circulator current - hard lockout
EE0Lockout - too many ignition retries (3)
EE1Pressure switch closed at start of heating cycle
EE2Pressure switch did not close (inducer runs, no ignition)
EE3High (primary) limit open
EE4Flame sensed with no call for heat

All Daikin Furnace error codes →

Daikin code E11: homeowner questions

What does Daikin code E11 mean?

Flame rollout switch open. A manual-reset flame rollout switch on the burner/manifold area has opened - flame came out of the burner box. The circulator blower runs continuously and the furnace will not fire.

Is it safe to keep using my furnace with code E11?

No. Code E11 is a safety shutdown, so keep the furnace off until a licensed technician has checked it.

Can I reset Daikin code E11 myself?

Do not keep resetting it. Repeated resets can hide a safety problem; a licensed technician needs to find the cause.

Who can fix Daikin code E11 near me?

Aurora Star Tech Inc. repairs Daikin furnaces in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.

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

Troubleshooting guides

Source: Daikin RSD6612304 (DR96TN/DD96TN service), 2 Stage Troubleshooting Codes, p.28-29; Checking Flame Rollout Control p.20. Written in our own words as a summary; always check the original manual.

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.

Emergency Furnace Repair

647-657-2977