Ecoflam MAX P 15 AB HS Serie Manual De Uso página 17

Service
­ Troubleshooting
Fault diagnosis and repair
In the event of a malfunction, first check
that the prerequisites for correct operation
are fulfilled:
1. is the system connected to the power
supply?
2. is there oil in the tank?
3. are all shut-off valves open?
4. are all control and safety devices,
such as the boiler thermostat, low-water
detector, limit switch, etc.
adjusted correctly?
If the malfunction persists, use the
following table.
It is not permitted to repair any
components relevant to safety. These
Troubleshooting
:
The burner does not start
- Main switch in "0" position.
- 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.
- Nozzle is clogged.
- Nozzle is 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.
- Nozzle is clogged.
- Nozzle is 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.
Red blink code of
signal lamp (LED))
2 blinks
3 blinks
4 blinks
5 blinks
6 blinks
7 blinks
8 blinks
9 blinks
10 blinks
420010355104
components must be replaced by parts
with the same order number.
Only use original spare parts.
NB: after each operation:
• under normal operating conditions
(doors closed, hood fitted, etc.), check
combustion and check the individual
lines for leaks.
• Record the results in the relevant
documents.
Error code table
«AL» at Possible cause
term. 10
on No establishment of flame at the end of «TSA»
- Faulty or soiled fuel valves - Faulty or soiled flame detector
- Poor adjustment of burner, no fuel - Faulty ignition equipment
on Free
on Extraneous light on burner startup
on Free
on Free
on Too many losses of flame during operation
(limitation of the number of repetitions)- Faulty or soiled fuel valves.
- Faulty or soiled flame detector - Poor adjustment of burner.
on Time supervision oil preheater
- Oil preheater failed 5 times during prepurging
on Free
off Wiring fault or internal fault, output contacts,other faults.
on 3 times temporary fault of the output contacts
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EN
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