Troubleshooting - ICM Controls SC 3000 Installation, Operation & Application Manual

MORN
SATURDAY
6
HEAT
COOL
MORN
SUNDAY
7
HEAT
COOL
Symptom
No display
System fan does not come on
properly
Program schedule activates at the
wrong time
Thermostat turns on and off too
frequently
Thermostat does not follow program
"PROGram" flashes (in Hold mode)
Fan runs continuously
Low battery indicator
Problem not listed above
* Reset Button Function: Time, day and program/non-program changed to last saved settings (saved after
DAY
HEAT
COOL
DAY
HEAT
COOL

Troubleshooting

Check batteries; display is blank when batteries are not present or are dead
Verify wiring is correct, check Gas/Electric switch position
Check time (AM/PM) set on thermostat (see "Setting the Time," Page 12)
Adjust temperature differential (see "Setting the Temperature Differential,"
Page 8)
Verify it is operating in Program mode; check time (AM/PM); check if in Hold
mode
Press Hold button to remove from Hold mode
Check Fan Auto/On switch
Batteries need to be replaced
Press reset button once*
program or configuration change), configuration and program unchanged, ASC
timer reset to 0.
EVE
HEAT
COOL
EVE
HEAT
COOL
Remedy
NITE
HEAT
COOL
NITE
HEAT
COOL