Rheem Error Code Flame LED steady on: Amber flame LED steady – normal flame sensed (Furnace)

Updated October 15, 2026 · by Aurora Star Tech Inc.

Rheem error code Flame LED steady on on a furnace means: Amber flame LED steady - normal flame sensed. It is also called Rheem diagnostic code Flame LED steady on.

Low severityFurnaceRheem/Ruud 802P / 80MDP 80% two-stage furnace (UT 1028-928 IFC) · R95P · Rheem (-)GRC/(-)GTC 90 Plus · Rheem 90RJ/90TJ 90 Plus · Rheem RGRM/RGTM 90 Plus

Homeowner? What Rheem code Flame LED steady on means for you

Usually minor Your furnace is reporting: Amber flame LED steady - normal flame sensed. This code is usually informational or minor. The safe checks below often clear it; call us if it keeps showing up.

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.
Make sure the furnace front door or panel is closed properly; many furnaces will not run with the door switch open.
Look at the air filter. If it is grey and clogged, replace it; a blocked filter causes many shutdowns.
Outside, make sure the intake and exhaust pipes or vent cap are not blocked by snow, ice, leaves or a nest.
Check that the gas valve next to the furnace is open (handle in line with the pipe). Do not force it.
Try one reset: turn the power off for 30 seconds, then back on. If the code comes back, stop resetting and call a technician.

Call (647) 657-2977 Book a service call

Licensed technicians serving Vaughan, Toronto and the GTA.

What does Rheem error code Flame LED steady on mean?

The amber FLAME LED on the integrated furnace control stays continuously lit when the burners are lit and the flame sensor sees a good flame. Off = no flame, slow blink = weak/marginal flame, rapid blink = flame sensed when none should be there. Steady on during the burn is the normal state.

Applies to: Rheem/Ruud (-)802P / 80MDP 80% two-stage furnaces; R95P; Rheem (-)GRC/(-)GTC and 90RJ/90TJ 90 Plus; RGRM/RGTM 90 Plus

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.

Rheem models that use code Flame LED steady on

Show all 44 models

90RJ04 90RJ06 90RJ07 90RJ09 90RJ10 90RJ12 90TJ04 90TJ06 90TJ07 90TJ09 90TJ10 90TJ12 R95PA0401317MSA R95PA0601317MSA R95PA0701317MSA R95PA0851521MSA R95PA1001521MSA R95PA1151524MSA R802PA050314MSA R802PA075417MSA R802PA100521MSA R802PA125524MSA R802PA150524MSA RGRC-04EMAES RGRC-06EMAES RGRC-07EMAES RGRC-07ERBGS RGRC-09EZAJS RGRC-10EZAJS RGRM-04 RGRM-06 RGRM-07 RGRM-09 RGRM-10 RGRM-12 RGTC-04EMAES RGTC-06EMAES RGTC-07ERBGS RGTC-09EZAJS RGTC-10ERBJS RGTM-06 RGTM-07 RGTM-09 RGTM-10

Other Rheem Furnace codes

Code	Meaning
Fault recall - last 5	Power-up replay of the last five faults
FIXED FIRE RATE	Forced low or high fire test (SETUP menu)
FL	Fault history (pushbutton status menu)
Flame LED off	No flame sensed (troubleshooting aid)
Flame LED rapid blink	Amber flame LED - unexpected flame
Flame LED slow blink	Amber flame LED - marginal flame sense
Fr	Fire rate readout (pushbutton status menu)
FURNACE FOUND	Thermostat start-up message - equipment found
H	Gas heat on
h (lowercase)	Low-fire gas heat on
h flashing	Calibrating (CALIBRATE-NO V)
HP	Heat-pump heat running (dual fuel)

All Rheem Furnace error codes →

Rheem code Flame LED steady on: homeowner questions

What does Rheem code Flame LED steady on mean?

Amber flame LED steady - normal flame sensed. The amber FLAME LED on the integrated furnace control stays continuously lit when the burners are lit and the flame sensor sees a good flame. Off = no flame, slow blink = weak/marginal flame, rapid blink = flame sensed when none should be…

Is it safe to keep using my furnace with code Flame LED steady on?

Usually yes. Code Flame LED steady on is normally minor, but if it keeps coming back have it checked.

Can I reset Rheem code Flame LED steady on myself?

You can try one reset (power off for 30 seconds, then on). If Rheem code Flame LED steady on comes back, the cause is still there and a licensed technician should check it.

Who can fix Rheem code Flame LED steady on near me?

Aurora Star Tech Inc. repairs Rheem 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

Blowing cold air All brands · Furnace
No heat All brands · Furnace
Short cycling All brands · Furnace
Blower codes 66, 61 and 60 - what to look for Rheem · Furnace
Blower does not start after burners light Rheem · Furnace
Burners go out before the heat call ends / short cycling Rheem · Furnace
Clear the fault history Rheem · Furnace
Clearing lockouts Rheem · Furnace
Codes look upside down - display orientation switch S1-1 Rheem · Furnace
Communicating system not found / no communication Rheem · Furnace
ECM blower does not start on heat Rheem · Furnace
ECM blower will not run - power and communication checks (code 68) Rheem · Furnace
Extended display mode Rheem · Furnace
Force low or high fire for testing (RGPE/RGLE) Rheem · Furnace
Furnace no heat - sequence troubleshooting Rheem · Furnace
Furnace short cycles or does not hold setpoint Rheem · Furnace
Gas valve does not shut off when heat call ends Rheem · Furnace
Heat call troubleshooting walk-through (two-stage communicating IFC) Rheem · Furnace
Indoor blower does not start after burners light Rheem · Furnace
Inducer (draft motor) does not start on heat call Rheem · Furnace
Inducer does not run / does not run on low speed Rheem · Furnace
Inducer runs 60 s then shuts off for 5 minutes, or runs continuously Rheem · Furnace
Inducer runs 60 seconds then off for 5 minutes Rheem · Furnace
No heat - inducer (IDM) does not start Rheem · Furnace
No heat - POWER LED off Rheem · Furnace
Pushbutton status menu: fault history, CFM, fire rate, unit size, temperature rise Rheem · Furnace
Read or clear the six-fault history from the thermostat (RGPE/RGLE) Rheem · Furnace
Read target airflow from the CFM LED Rheem · Furnace
Replacing the furnace control: keep the memory card and copy the dipswitches Rheem · Furnace
Replay or clear the fault history on power-up (802P / 80MDP / R95P) Rheem · Furnace
Replay or clear the last five faults (RGPE/RGLE) Rheem · Furnace
Reset a soft lockout (R95P) Rheem · Furnace
Single-stage thermostat on a two-stage furnace: auto staging Rheem · Furnace
Test communication with the LEARN button (RGPE/RGLE) Rheem · Furnace
Thermostat does not hold room temperature Rheem · Furnace

Source: 802PA Flame Status LED (pp.43-44) and Diagnostics flowchart; R95P Flame Status LED (printed p.90); 90RJ and GRC troubleshooting chart (Flame (Amber) LED codes); RGRM Flame LED description p.53. 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.