Filter
Top Products
BLACKHEAT
®
INSTALLATION OPERATION AND SERVICE MANUAL
66 of 74
Troubleshooting Flow Chart (Linear, Double Linear and U-Tube)
No NoNo
NoYesYes
No
No YesNoYes
No
YesYes
NoNo
Yes
Yes
NoYesNo
Yes
Yes
Yes
Yes
Yes
No
Does the burner light?
Were 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