33
UK
DIAGNOSIS OF LMO EQUIPMENT FAULTS AND LOCK OUT
Description of operating anomalies
Visual indication
Possible causes
2 flashes
¬¬
No flame signal
• Faulty fuel valves
•
Faulty flame detector
•
Incorrect burner setting, no fuel
•
No ignition
3 flashes
¬¬¬
Not used
4 flashes
¬¬¬¬
Stray light on ignition
5 flashes
¬¬¬¬¬
Not used
6 flashes
¬¬¬¬¬¬
Not used
7 flashes
¬¬¬¬¬¬¬
No flame signal during operation
• Faulty fuel valves
•
Faulty flame detector
•
Incorrect burner setting, no fuel
8 flashes
¬¬¬¬¬¬¬¬
Anomalies in fuel preheating time
9 flashes
¬¬¬¬¬¬¬¬¬
Not used
10 flashes
¬¬¬¬¬¬¬¬¬¬
Incorrect electrical connection or damage to
equipment