Page 7.1
SECTION 7
TroubleShooting
7
SYMPTOM:
The air conditioning does not attempt to
turn on.
CAUSE:
The compressor timer lockout may prevent the
air conditioner from turning on for a period of time.
REMEDY:
Consult the Owner's Manual in the Setup
section to defeat the cycles per hour and
compressor timeguard.
SYMPTOM:
The display is blank.
CAUSE:
Lack of proper power.
REMEDY:
Make sure power is turned on to the furnace
and that you have 24vac between
R
&
W
and
24vac between
R
&
C
.
SYMPTOM:
The air conditioning does not attempt to
turn on.
CAUSE:
The cooling setpoint is set too high.
REMEDY:
Consult the Owner's Manual in the Setup
section to lower the cooling setpoint limit.
SYMPTOM:
The heating does not attempt to turn on.
CAUSE:
The heating setpoint is set too low.
REMEDY:
Consult the Owner's Manual in the Setup
section to raise the heating setpoint limit.
Air Conditionin
g
& Heatin
g
AU
TO
I2:0
0
Pm
HE
AT
CO
OL
72
74
AU
TO
I2:0
0
Pm
HE
AT
CO
OL
72
74
AU
TO
I2:0
0
Pm
HE
AT
CO
OL
72
74
AU
TO
I2:0
0
Pm
HE
AT
CO
OL
72
74
