ATS 3210 - Under-Temperature

I.3 Under-Temperature
24 Series 31XX, 32XX Furnaces | I. Troubleshooting
Under
temperature or
not heating.
Temperature
droop:
retune
controller.
Check
controller
output.
Controller
output is OK.
Check power
controller
output.
Fuses OK -
return
controller
for repair.
Controller
calls for
output but
no output -
return for
repair.
No output -
check fuses.
Output OK -
bad heating
elements or
undersized
furnace.
Extreme under
temperature