SECTION 14: TROUBLESHOOTING

14.2 Troubleshooting For Automatic Ignition Burner Systems

Start

Are gas & electrical

No

Turn on supplies.

supplies on?

 

 

Yes

 

 

Are external controls on?

No

Turn on controls.

Yes

 

 

 

 

Press in lockout reset button

Is red lockout light on?

Yes

on rear of heater or remote

 

 

reset button if fitted.

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 electrical shock.

No

Does flue fan run?

No

 

Yes

 

Does air pressure switch

No

change over?

 

Yes

Wait 30 - 40 seconds.

Is ignition spark operating? No

Yes

 

Does the flame light?

No

Yes

 

Is red lockout light on?

Yes

No

Heater Operating

TROUBLESHOOT ENDS. No

Is 230 V supply at fan

Yes

connections?

 

No

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.

Is HT lead okay and

connected? Yes Is spark electrode okay?

Is the gas valve operating?

To test valve, No See Section 14.4.

Is the flame current at

least 1 µAmp DC when Yes the flame lights?

If problems persist, contact

Roberts-Gordon Ltd. at Tel: +44 (0) 1902 498733 www.rg-inc.com

Flue fan faulty; replace

Ignition control faulty; replace.

See Section 15.6.

Replace valve.

Trace fault in supervision system. See Section 14.3.

For your safety and optimum heater performance, use only ROBERTS GORDON® replacement parts.

Conduct Commissioning procedure as shown on Page 15, Section 10.

23

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Roberts Gorden CTCU 7, CTCU 27, CTCU 15, CTCU 11 Troubleshooting For Automatic Ignition Burner Systems, Turn on controls

CTCU 7, CTCU 22, CTCU 11, CTCU 15, CTCU specifications

Roberts Gorden offers a diverse range of high-performance make-up air units known as the CTCU series, which includes models CTCU 22, CTCU 15, CTCU 7, CTCU 27, and CTCU 11. Each model is designed to deliver efficient and reliable air management solutions for various industrial and commercial applications.

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