Rheem · Furnace

Fr Fire rate readout (pushbutton status menu)

Menu / mode display R96V/96MDV

What the display is showing

Gas heat firing rate: 0 when the burners are off, Lo on low fire, HI on high fire.

Applies to: (-)96VA040-115 (R96V / U96V) and (-)(-)96MDV040-115 two-stage variable-speed communicating furnaces

What to do

Step the pushbutton until Fr shows.

Settings for these units

Filter sizes · Rheem RGRM/RGTM 90 Plus
Filter sizes (Table 12) · Rheem 90RJ/90TJ 90 Plus
Minimum clearance to combustibles · Rheem 90RJ/90TJ 90 Plus
Filter sizes (Table 9) · Rheem (-)GRC/(-)GTC 90 Plus
Minimum clearance to combustibles · Rheem (-)GRC/(-)GTC 90 Plus
Clearance to combustibles (all models) · R95P

Models that show this code

12 models in R96V/96MDV

96MDV040B30A96MDV060B30A96MDV070B30A96MDV085C50A96MDV100C50A96MDV115D50AR96VA0401317MSAR96VA0601317MSAR96VA0701317MSAR96VA0851521MSAR96VA1001521MSAR96VA1151524MSA

Other codes on the same units

AF Airflow readout (pushbutton status menu)
C Cooling or heat-pump heat (compressor call)
F Continuous fan on
FL Fault history (pushbutton status menu)
H Gas heat on
HP Heat-pump heat running (dual fuel)
UI Unit input readout (pushbutton status menu)
cd / Cd Dehumidification cooling

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Source: Rheem (-)96V / (-)(-)96MDV Installation Instructions 92-24161-124-08, 15 Pushbutton (S8) p.95-96. Summarized in our own words; check the original manual for your model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.