Ecoflam MAIOR P 150.1 AB HS Serie Manual De Uso página 18

EN
Service
­ Troubleshooting
The list of faults/causes/possible solutions for a set of main failures is a guideline for professional personell authorised to carry out
service and maintenance. Irregular burner operation or malfunction: check that every adjustment parameter is correctly set as per
instruction on this manual.
The burner does not start.
- Main switch in "0".
- Fuses are blown.
- Boiler thermostats are in open position.
- Control box is defective.
The burner runs the prepurging but does not ignite and then switches into safety condition.
- Control box is defective.
- Ignition transformer is defective.
- Electrodes are dirty.
- Electrodes are defective.
- Electrodes are in wrong position.
- Nozzles are clogged.
- Nozzles are too worn.
- Filters are clogged.
- Oil pressure too low.
- Combustion air flow rate excessively high related to nozzle's flow rate.
The burner ignites but then switches into safety condition.
- Control box is defective.
- Nozzles are clogged.
- Nozzles are too worn.
- The photocell does not detect the flame.
- Filters are clogged.
- Oil pressure too low.
- Combustion air flow rate excessively high related to nozzle's flow rate.
The burner does not switch to High flame.
- 1st(Low flame) and 2nd (High flame) stage manual switch on control board is in wrong position.
- Control box is defective.
- 2nd (3rd) stage solenoid valve coil is defective.
- Oil pressure too low.
- Filters are clogged.
- 2nd (3rd) stage nozzle is too worn.
- 2nd (3rd) stage nozzle is clogged.
- Air damper motor jack not properly adjusted or defective.
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