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INDEX
SYMPTOM
Thermostat Setting and
Thermostat Thermometer
Disagree
Thermostat Does Not Follow
Program
Blank Display and/or Keypad
Not Responding
POSSIBLE CAUSE
1. Thermostat thermometer setting
requires adjustment.
1. AM or PM set incorrectly in
program.
2.AM or PM set incorrectly on the
clock.
3. Voltage spike or static discharge.
1. Voltage spike or static discharge.
CORRECTIVE ACTION
The thermostat can be adjusted +/- 5°F. See the
Temperature Display Adjustment in the Operating
Manual under configuration.
Check current clock and program settings including
the AM or PM designations for each time period. If a
voltage spike or a static discharge occurs use the
Reset Operation listed above.
Check heat/cool system for proper operation. If a
voltage spike occurs, use the Reset Operation by
pressing FAN, TIME
BACK
, and the temperature
arrow at the same time.
Troubleshooting