White Rodgers SuperStat Pro Programmable Thermostat manual Troubleshooting Assistance Guide

Troubleshooting Assistance Guide

Thermostat Display (continued)

Display is Flashing.

•If flashing between time and temperature setpoint – Normal operation for the unit.

•If flashing COMM ERR – call Customer Service toll free at 1-888-232-5949.

•If flashing AUX and +2 – Normal operation. With a heat pump, indicates the resistance strip heat (Aux) is operating in conjunction with the heat pump compressor.

•If +2 on lower right of display – Normal operation. For a two-speed compressor, indicates that the compressor is operating in the high speed.

•If flashing HOLD – Normal operation. Indicates a temporary hold is in place. Press RUN to reset.

The green light stays On, it does not flash (Green light next to the UP/DOWN buttons).

Normal operation. Indicates that a Critical Event is in effect.

The green light stays On, it does not flash, the UP/DOWN buttons do not work.

If the green light is On and the buttons will not change the display, your thermostat may need service. Call Customer Service toll free at 1-888-232-5949.

34 SuperStat Pro User Guide