Troubleshooting tips.
No display
Make sure batteries are fresh and installed correctly. See the “Batteries”
section in this manual.
System fan does not
Verify that wiring is correct.
come on properly
Fan runs continuously
Check
Fan Auto
setting. If set to
Fan 1
or
Fan 2
position, fan will run
continuously.
Room temperature is
If a wired thermostat was removed, make sure that the hole in the wall
not correct
was sealed with nonflammable insulation or putty, or use a wall plate
obtained from a local hardware or home building store.
Compressor doesn’t run
There is a protective time delay (approximately 3 minutes) to prevent
or turn on immediately
tripping of the compressor overload. For this reason, the unit may not
when changing function
start normal cooling or heating for 3 minutes after it is turned back on.
or setting
displays on screen
Replace batteries with 4 fresh AA alkaline batteries.
Problem
Solution
11