Roberts Gorden CRV-B-12 Troubleshooting Flow, Chart, Control Panel IOS Manuals, Pump IOS Manuals

56

Yes

Do the burners lockout

intermittently?

No

	Inspect the electrodes on the	No	Electrode gap should be	No	Ignition module may have
Yes	affected burners. Are they
			1/8". Is the gap too small?		failed. Replace module.
	burned or damaged?
	Yes		Yes
	Replace the electrodes.		Adjust the gap or
			replace the electrode.

Troubleshooting Flow

CRV-SERIES INSTALLATION, OPERATION

Is the system leaking water? Yes

No

Is the flame low? Yes

No
Do burners shut off after the	No
call for heat is satisfied?

Is the vacuum setting

too low?

Yes

Adjust system for proper vacuum at the end vent.

Is the vacuum setting

too low?

Yes

Adjust system for proper vacuum at the end vent.

Make sure that all

thermostats or internal sensors are satisfied.

No

No

Yes

Are there any "dead" burners in a branch?

Yes

Follow burner check

procedure given above.

Is the rotation of the pump motor correct?

No

Consult wiring instructions in pump manuals listed below for reversal instructions.

Refer to control panel manuals listed below.

No

Yes

Is the rotation of the pump motor correct?

No

Consult wiring instructions in pump manuals listed below for reversal instructions.

Are the filters on the

burners dirty?

Yes

Replace filters as necessary.

Yes	Are the filters on the	No	Couplings may be installed
			improperly. Lined couplings
	burners dirty?
			should be used for tailpipe.

Yes

Replace filters as necessary.

Check for blockage in the

No outside air supply or for leaks in the system.

Chart

AND SERVICE MANUAL

Yes

Does the pump shut down

after a 2 minute post-purge No period?

Yes

TROUBLESHOOT ENDS.

If problems persist, contact

yourNo

ROBERTS GORDON® Independent

Distributor.

Make sure that all

thermostats or internal sensors are satisfied.

Contact

Roberts-Gordon at

www.rg-inc.com

Yes

Refer to control panel manuals listed below.

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