H Gas heat on

What the display is showing

Capital H on the display means a gas heating call is running. On the 802P two-stage control H is the high-fire heat stage; on the R95P it is the general gas-heat indicator. On RGPE/RGLE the troubleshooting chart expects a steady H during a heat call at high fire (a flashing H points to a dip-switch check). While a lockout is active the fault code replaces it.

Applies to: Rheem/Ruud (-)802P / 80MDP 80% two-stage furnaces; R95P; Rheem/Ruud RGPE / RGLE modulating furnaces

Settings for these units

Clearance to combustibles (all models) · R95P

Same values for R95PA040 through 115.

Column order read from a rotated drawing header - confirm on the furnace clearance label.

Filter sizes as shipped, upflow (Table 19) · RGPE/RGLE

Use one filter location only - do not double-filter or filter the supply side.

21 in./100K: cut 3-1/2 in. off filter and frame for a side filter; 24-1/2 in./125K: cut 7 in.

• Reduced clearance to combustibles, upflow/horizontal (Fig. 4) · Rheem/Ruud 802P / 80MDP 80% two-stage furnace (UT 1028-928 IFC)
• Reduced clearance to combustibles (Fig. 3 and 4) · RGPE/RGLE

Models that show this code

33 models in Rheem/Ruud 802P / 80MDP 80% two-stage furnace (UT 1028-928 IFC), R95P, RGPE/RGLE, R96V/96MDV

Other codes on the same units

• Flame LED rapid blink Amber flame LED - unexpected flame
• Flame LED slow blink Amber flame LED - marginal flame sense
• Flame LED steady on Amber flame LED steady - normal flame sensed
• Fr Fire rate readout (pushbutton status menu)
• HP Heat-pump heat running (dual fuel)
• Learn button Learn button - RX LED rapid blink test
• RX LED blinking Green RX LED - network traffic present
• SEARCHING Thermostat start-up message - searching