33
List of Anomalies
Visual information
Possible reasons
2 flashes
No flame presence signal from the infrared burner sensor
• damaged fuel valve,
•
damaged flame detector,
• improper burner fuel / air mixture composition setting,
or no fuel,
• no ignition.
3 flashes
N/A
4 flashes
“Wrong” light during the mixture ignition procedure;
flame detector has sensed improper ignition or leakage
in the combustion chamber
5 flashes
N/A
6 flashes
N/A
7 flashes
No flame presence signal from the infrared burner sensor
during burner operation:
• damaged fuel valve,
•
damaged flame detector,
• wrong burner fuel / air mixture composition setting,
or no fuel.
8 flashes
Fuel pre-heating time disturbance
9 flashes
N/A
10 flashes
Wrong electrical power supply or internal failure
of burner controller
Diagnosis of burner equipment
elements, errors and reasons
for its operation blockage
Summary of Contents for Pro Plus
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