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CRV-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL
56
Troubleshooting Flow Chart
No
Replace filters as necessary.
Replace the electrodes.
Adjust the gap or
replace the electrode.
Ignition module may have
failed. Replace module.
Electrode gap should be
1/8". Is the gap too small?
No
Yes
Inspect the electrodes on the
affected burners. Are they
burned or damaged?
No
Yes
Couplings may be installed
improperly. Lined couplings
should be used for tailpipe.
Refer to control
panel manuals
listed below.
Make sure that all
thermostats or internal
sensors are satisfied.
Yes
Do burners shut off after the
call for heat is satisfied?
Yes
No
Check for blockage in the
outside air supply or for
leaks in the system.
Replace filters as necessary.
No
Yes
Are the filters on the
burners dirty?
Consult wiring instructions in
pump manuals listed below
for reversal instructions.
Is the rotation of the
pump motor correct?
Yes
No
Adjust system for proper
vacuum at the end vent.
Is the vacuum setting
too low?
No
Yes
Is the flame low?
No
Yes
No
Yes
Are the filters on the
burners dirty?
Yes
No
Is the rotation of the
pump motor correct?
Adjust system for proper
vacuum at the end vent.
Follow burner check
procedure given above.
No
Yes
Are there any "dead"
burners in a branch?
Is the vacuum setting
too low?
No
Yes
Is the system leaking water?
No
Yes
Do the burners lockout
intermittently?
No
Yes
Make sure that all
thermostats or internal
sensors are satisfied.
Yes
Does the pump shut down
after a 2 minute post-purge
period?
Yes
No
TROUBLESHOOT ENDS.
If problems persist, contact
your
ROBERTS GORDON
®
Independent
Distributor.
Refer to control
panel manuals
listed below.
Contact
Roberts-Gordon at
www.rg-inc.com
Consult wiring instructions in
pump manuals listed below
for reversal instructions.
Control Panel IOS Manuals:
- System Control P/N: 10091601NA
- ROBERTS GORDON
®
ULTRAVAC P/N: 10081601NA
- For systems with no control panel, refer
to appropriate control manufacturers instructions.
Pump IOS Manuals:
- EP-100 P/N: 127201NA
- EP-200 P/N: 127200NA
- EP-300 P/N: 127202NA
Yes