Troubleshooting
Symptom Remedy
Thermostat does not turn Check wiring.
on system. (See INSTALLATION)
Check fuse. Replace with 2 amp
Slo-Blo fuse if fuse has opened.
Thermostat turns on and off too Increase temperature differential.
frequently. (See PROGRAMMING)
Display is blank, flashing or Replace batteries.
constant LO BAT.
Weekend program follows four Verify that day of week is set
adjustment settings. correctly. (See PROGRAMMING)
System fan does not operate Move fan option switch to either
properly. gas or electric, to match system.
(See INSTALLATION)
Time shown on display is not the Change time of day setting.
current time of day. (See PROGRAMMING)
Thermostat does not Thermostat in MANUAL mode.
follow program. (See PROGRAMMING).
Thermostat may not have been
programmed in HEAT or COOL
position. Verify program.
Check AM/PM indicators at time
of day and programmed time
changes. (See PROGRAMMING)
Verify program and day of week
are correct. (See PROGRAMMING)
If problems with thermostat cannot be solved, call:
Technical Support: (800) 445-8299
Monday-Friday 7:30-5:30 CST
For after hours service, a 24-hour
automated help line is available.
For warranty returns, send thermostat, shipping prepaid to:
MAPLE CHASE COMPANY
Warranty Department
2820 Thatcher Road
Downers Grove, IL 60515
10
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