Roberts Gorden Vacuum Assisted Linear - Manual (Page 72)

B LACKHEAT ® I NSTALLATION O PERATION AND S ERVICE M ANUAL
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Troubleshooting Flow Chart (Linear, Double Linear and U-Tube)
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Does the burner light?
W
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 specification 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? Reestablish continuity
.
Does the burner
stay on?
Does the burner turn off
when the call for heat ends?
Check the thermostat and check the continuity of the
ground wire.
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