VA
N
T
A
G
E
®
HE
INST
ALLA
TION
MANU
AL
R
OBER
TS
-
GORDON
pg 38
Replace igniter.
Is the resistance
through the igniter
50-400
W
?
Check wire
connections.
Check voltage at
igniter connection.
Is it 115V during
the ignition period?
YES
NO
Check thermostat
and wiring. Is the
power supply to
unit 115V?
Find the source of
the electrical
problem.
Is the inlet or
outlet of the unit
obstructed?
Remove
obstruction.
Check wiring and
connection diagram.
Is blower side
door in place?
Replace door.
Check wiring and
hose connection to
switch. Are they OK?
Is the voltage between
the blue and orange
transformer leads 24V?
Is the voltage
between the black and
white transformer
leads 115V?
Remove door. Is
voltage at door
switch 115V?
Check wiring and
diagram.
Replace wiring
and/or hose
connections.
Replace
transformer.
Depress switch.
Does blower
come on?
Check voltage to
motor. Is it 115V?
Is the blower
obstructed?
Replace blower.
Within 30 seconds of power up,
place jumper between both yellow
wires at pressure switch.
Does the igniter glow red?
Replace
SmartValve
®
II
Check door fit;
if damaged,
replace door.
Replace switch.
Remove
obstruction.
Replace pressure
switch.
NO
YES
NO
YES
NO
NO
NO
YES
NO
YES
YES
YES
YES
YES
NO
YES
NO
NO
YES
NO
NO
YES
Is the igniter damaged?
NO
YES
Does the igniter
warm up and
glow red?
NO
NO
Turn on thermostat.
Does blower
turn on?
YES
NO
2*
1*
1*
Check LED indicator for indication of fault. If the status LED is
flashing three times, then there is a problem with proving the
combustion air blower. Continue through this series of checks
to insure that the blower is operating properly.
2*
Check LED indicator for indication of fault. If the status LED is flashing two
or three times, then there is a problem with proving the combustion air
blower. The fault should be found with the pressure switch. If there is no
flashing LED, check all connections to and from the SmartValve
®
II and then
perform the following checks.
START
Figure 35.
V
ANT
A
G
E
HE
®
T
roub
leshooting Flo
w Char
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