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BLACKHEAT
®
INSTALLATION OPERATION AND SERVICE MANUAL
68 of 74
Troubleshooting Flow Chart (Multiburner)
No
Yes
Do the burners turn off
when the call for heat ends?
Check the
control panel.
NoYes
YesNoNo
Yes
Yes
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?
No
No NoNo
NoYesYes
No
No YesNoYes
YesYes
NoNo
Yes
Yes
NoYesNo
Yes
Yes
Yes
Yes
No
Do all burners 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
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