Honeywell T8090A/191108A Owner's Manual page 15

(continued)
Troubleshooting
Problem
Energy savings
temperature program
12 hours off.
Rooms do not warm
up at programmed
time.
2
Temperature change
occurs at the wrong
time.
Room temperatures
are not correct.
Check
— program dial for proper day or
night phase.
— timer program for heating system.
May need more time to warm up
rooms.
— programs pins for correct time
locations.
— positions of thermostat setpoint
levers.
— position of subbase system
switch.
Turn timer ahead 12 hours. Move setting
knob 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.
15
Action
only.
(continued)
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