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19 69-0432—1
Troubleshooting (continued)
1 Applicable on zone 1 thermostat only.
2 Not applicable on heating-only system.
If this Troubleshooting section has not solved the problem, call a qualified Trol-A-Temp
®
customer service at or service technician, 1-800-828-8367 for additional assistance.
PROBLEM CHECK ACTION
Clock does not run. —voltage across the C and R
terminals.
Remove thermostat from the wall-
plate or subbase, and measure the
voltage. Refer to page 20 for cause
and action.
Thermostat setting
and thermometer
reading disagree.
—level position of thermostat. Reinstall thermostat wallplate or
subbase. Use a spirit level.
—area around thermostat for drafts
or radiant heat.
Thermostat should be about 5 ft
[1.5m] above floor on an inside wall.
Contact qualified service technician
for change of location.
—calibration of thermometer. See instructions on page 22.