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SECTION 14: TROUBLESHOOTING
23
14.2 Troubleshooting For Automatic Ignition Burner Systems
If problems persist, contact
Roberts-Gordon Ltd. at
Tel: +44 (0) 1902 498733
www.rg-inc.com
Heater Operating
TROUBLESHOOT ENDS.
No
Trace fault in supervision
system. See Section 14.3.
Yes
Is red lockout light on?
No
Is the flame current at
least 1 µAmp DC when
the flame lights?
Ignition control faulty;
replace.
See Section 15.6.
Is HT lead okay and
connected?
Is spark electrode okay?
Yes
Replace valve.
Is the gas valve operating?
To test valve,
See Section 14.4.
No
Does the flame light?
No
Yes
Wait 30 - 40 seconds.
Is ignition spark operating?
No
Yes
Flue fan faulty; replace
Burner control faulty or plug
in connections faulty. Repair
or replace as necessary
Check for too much flue/air inlet
duct. Check for blockage in
combustion air circuit.
Check for faulty air pressure
switch. See Section 15.5.
Does air pressure switch
change over?
No
Yes
Turn on controls.
Is 230 V supply at fan
connections?
Does flue fan run?
No
Are external controls on?
No
Yes
Yes
Is red lockout light on?
No
Yes
Press in lockout reset button
on rear of heater or remote
reset button if fitted.
Turn on supplies.
Are gas & electrical
supplies on?
Yes
Start
No
Yes
No
Yes
WARNING
Electrical Shock Hazard
Do not touch ignition components.
Voltage from ignition components is high.
Failure to follow these instructions can
result in death or electri
cal shock.
For your safety and optimum heater performance,
use only ROBERTS GORDON
®
replacement parts.
Conduct Commissioning procedure as shown
on Page 15, Section 10.