SECTION 14: T
ROUBLESHOOTING
39 of 51
14.4 Troubleshootin
g
for Gas Valves
14.5 Troubleshootin
g
for Flue Blower
V
al
v
e faulty.
Replace with one of
correct type.
Fault elsewhere.
Correct pressure pro
b
lem.
If pro
b
lems persist, contact
Ro
b
erts-Gordon LLC at
www.rg-inc.com
V
al
v
e Operating
TROUBLESHOOT ENDS.
N
o
Yes
V
al
v
e or ignition control
faulty. Replace with
one of correct type.
Does gas pressure at
outlet of
v
al
v
e return to zero or
lower when
v
al
v
e turns off?
N
o
Yes
Does gas pressure at outlet
of the
v
al
v
e rise when
v
al
v
e turns on?
N
o
Yes
Is gas pressure at inlet of the
v
al
v
e correct for gas type?
N
ote pressure found.
N
o
Yes
START
If pro
b
lems persist, contact
Ro
b
erts-Gordon LLC at
www.rg-inc.com
Blower Operating
TROUBLESHOOT ENDS.
N
o
Blower motor faulty.
Replace with correct type.
Check
b
lower motor leads
for loose connections.
Correct power
supply pro
b
lem.
Yes
START
Does
b
lower
turn on and
off while
b
urner is firing
continuously?
N
o
Yes
Does flue
b
lower run
automatically when there
is a call for heat?
N
o
Yes
For yo
u
r safety and optim
u
m heater performance,
u
se only gen
u
ine replacement parts sold and s
u
pplied
by Roberts-Gordon LLC.
Conduct start-up procedure as shown
on Page 27, Section 11
.
