TROUBLESHOOTING
Page 10
SYMPTOM:
The HVAC equipment 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 24vac between
R
&
W
.
If
C
is used, 24vac between
R
&
C
.
67
70
H
EAT
C
OOL
AUTO
o
o
Am
6:03
68
Su
67
70
H
EAT
C
OOL
AUTO
o
o
Am
6:03
68
Su
P/N 88-119
4Z95
C
c
F
FOR HOME OR OFFICE USE
Tested to Comply
with FCC Standards
Dual Fuel P374-1500