19
69-0395—2
Troubleshooting
(continued)
1 Not applicable on heating-only model.
1
(continued)
Problem
Check
Action
No heat (continued).
— other.
Contact a qualified service technician for
assistance.
Energy savings
temperature program 12
hours off.
— program dial for proper day or
night phase.
Turn clock ahead 12 hours Move minute
hand clockwise only.
Rooms do not warm up
at programmed time.
— clock program for heating system.
May need more time to warm up
rooms.
Move red pin one-half hour earlier on the
program dial.
Temperature change
occurs at the wrong
time.
— program pins for correct time
locations.
Relocate pins to desired settings.
Room temperatures are
not correct.
— positions of thermostat setpoint
levers.
Reset to desired temperatures.
— position of subbase system
switch.
Move to desired operating position.
Summary of Contents for CT1800
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