Roberts Gorden BH50DL/EF User Manual

LACKHEAT

NSTALLATION

PERATION

AND

ERVICE

ANUAL

68 of 74

Troubleshooting Flow Chart (Multiburner)

Do the burners turn off

when the call for heat ends?

Check the

control panel.

Consult venting and wiring

sections of this manual for reversal instructions.

Follow burner check

procedure given above.

Manifold ID/ID Connectors may be installed improperly

High temperature silicone sealant should be used at

all connections.

Is the rotation of the pump

motor correct?

Are there any "dead" burners

in a branch?

Is the vacuum setting

too low?

Adjust system for proper

vacuum. See

Specification Section.

Is the system leaking water?

Do all burners light?

ere the gas lines

purged of air correctly?

Is there sufficient inlet gas pressure (See Specification Section) during ignition?

Purge Lines.

Measure voltage on valve terminals. Is there 230 V

during ignition time?

Check gas line stop cock. Check gas supply at meter

Contact gas company

Are the wires connecting the automatic control unit OK?

Replace automatic

control unit.

Check for the proper jet and air plate inside the

burner

Is the gas outlet pressure

in accordance with

Specifications Section

of this manual?

Is there gas outlet pressure

available during the

ignition period?

Replace/Correct wires.

Adjust the governor

pressure.

Replace solenoid

coil.

Ignition module may have failed. Replace module.

Is the insulation on the electrode/sensor leads

OK?

Replace/Correct

Wires.

Re-establish connections.

Is the wiring at the module properly

connected?

Are the Live and Neutral

reversed?

Reverse polarity

Is the continuity of the earth wire established?

Re-establish continuity

Do the burners

stay on?

TROUBLESHOOT ENDS. If problems persist, contact

Roberts-Gordon at

Tel: +44 (0)121 506 7700 or Fax: +44 (0)121 506 7701 or online at www

.rg-inc.com