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SECTION 14: TROUBLESHOOTING
39 of 51
14.4 Troubleshooting for Gas Valves
14.5 Troubleshooting for Flue Blower
Valve faulty.
Replace with one of
correct type.
Fault elsewhere.
Correct pressure problem.
If problems persist, contact
Roberts-Gordon LLC at
www.rg-inc.com
Valve Operating
TROUBLESHOOT ENDS.
No
Yes
Valve or ignition control
faulty. Replace with
one of correct type.
Does gas pressure at
outlet of valve return to zero or
lower when valve turns off?
No
Yes
Does gas pressure at outlet
of the valve rise when
valve turns on?
No
Yes
Is gas pressure at inlet of the
valve correct for gas type?
Note pressure found.
No
Yes
START
If problems persist, contact
Roberts-Gordon LLC at
www.rg-inc.com
Blower Operating
TROUBLESHOOT ENDS.
No
Blower motor faulty.
Replace with correct type.
Check blower motor leads
for loose connections.
Correct power
supply problem.
Yes
START
Does blower turn on and
off while burner is firing
continuously?
No
Yes
Does flue blower run
automatically when there
is a call for heat?
No
Yes
For your safety and optimum heater performance, use only genuine replacement parts sold and supplied
by Roberts-Gordon LLC.
Conduct start-up procedure as shown on Page 27, Section 11.