Honeywell T8090A Owner's Manual - Page 15

Problem, Check, Action

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Troubleshooting (continued) Problem Check Energy savings - program dial for proper day or temperature program night phase. 12 hours off. Rooms do not warm - timer program for heating system. up at programmed May need more time to warm up time. 2 rooms. Temperature change - programs pins for correct time occurs at the wrong locations. time. Room temperatures - positions of thermostat setpoint are not correct. levers. - position of subbase system switch. Action Turn timer ahead 12 hours. Move setting knob clockwise only. 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. (continued) 15 69-0574-2

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15
69-0574—2
Troubleshooting
(continued)
Problem
Check
Action
Energy savings
temperature program
12 hours off.
—
program dial for proper day or
night phase.
Turn timer ahead 12 hours. Move setting
knob clockwise
only.
Rooms do not warm
up at programmed
time.
—
timer 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.
—
programs 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.
(continued)
2