Roberts Gorden Vacuum Assisted Linear - Manual (Page 74)

B LACKHEAT ® I NSTALLATION O PERATION AND S ERVICE M ANUAL
68 of 74
Troubleshooting Flow Chart (Multiburner)
No
Ye
s
Do the burners turn off
when the call for heat ends?
Check the
control panel.
No
Ye
s
Ye
s
No
No
Ye
s
Ye
s
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
No
No
No
Ye
s
Ye
s
No
No
Ye
s
No
Ye
s
Ye
s
Ye
s
No
No
Ye
s
Ye
s
No
Ye
s
No
Ye
s
Ye
s
Ye
s
Ye
s
No
Do all burners 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
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