Honeywell T8090A Owner's Manual page 16

Troubleshooting (Continued)
Problem
No heat (continued).
Energy savings
temperature program
12 hours off.
Rooms do not warm
up at programmed
time.
Temperature change
occurs at the wrong
time.
Room temperatures
are not correct.
Check
— other.
— program dial for proper day or
night phase.
— timer program for heating
system. May need more time
to warm up rooms.
— program pins for correct time
locations.
— positions of thermostat set
point levers.
— position of subbase system
switch. 1
Contact a qualified service technician for
assistance.
Turn clock ahead 12 hours. Move minute hand
clockwise
Move red pin one-half hour earlier on the
program dial.
Relocate pins to desired settings.
Reset to desired temperatures.
Move to desired operating position.
16
Action
only.
69-0628B—1
Continued