Honeywell RTH1100 series, Quick Installation Manual, Page: 21 / 48

RTH1100
19 69-2446EF—01
WIRING
ASSIST
ANCE
TROUBLESHOOTING
Troubleshooting
Heating or
cooling sys-
tem does not
respond
Move SYSTEM switch to set •
system to Heat. Make sure the
temperature is set higher than
the Inside temperature.
Move SYSTEM switch to set
•
system to Cool. Make sure the
temperature is set lower than
the Inside temperature.
Check circuit breaker and reset
•
if necessary.
Make sure power switch at
•
heating & cooling system is on.
Make sure furnace door is
•
closed securely.
Wait 5 minutes for the system to
•
respond.
or
is flashing Compressor protection feature •
is engaged. Wait 5 minutes
for the system to restart
safely, without damage to the
compressor.