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Roberts Gorden 175 User Manual

Page 47

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SECTION 14: T

ROUBLESHOOTING

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.

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