23
www.ecoflam-burners.com
EN
420010029201
Service
- Troubleshooting
Symbol fault
Fault
Cause
Remedy
Burner does not start after thermostatic
closure. No malfunction indicated on
the control and safety unit.
Drop in supply voltage or power failure.
Control unit malfunction.
Check the cause of the drop in voltage or
the power failure.
Replace the control unit.
No heat request
Thermostats defective or
incorrectly adjusted
Adjust the thermostats, replace if
necessary.
The burner starts briefly when switched
on, then switches off and the red
indicator light comes on.
The control unit has intentionally been
manually locked.
Unlock the unit
Burner does not start
Air pressure switch: not in rest position
Incorrect adjustment
Contact is welded
Check the wiring
Readjust the pressure switch
Replace the pressure switch
Burner does not start
Low gas pressure
Insufficient gas pressure
Gas pressostat wrongly set or defective
Check gas lines
Clean the filter
Check the gas pressostat or replace the
compact gas unit
Burner blower starts up
Burner does not start
Air pressure switch: the contact does
not close
Readjust the pressure switch
Replace the pressure switch
Burner blower starts up
Burner does not start
Flaring during pre-ventilation or pre-
ignition
Check the valve
Check fl ame monitoring
Fault diagnosis and repair
In the event of a malfunction, first check
that the prerequisites for correct
operation are fu llfilled:
1. Is the system connected to the
power supply?
2. Is there any gas pressure?
3. Is the gas shut-off valve open?
4. Are all control and safety devices,
such as the boiler thermostat, low
water level 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 components must be
replaced by parts with the same
order number.
Only use original spare parts.
In the event the burner stops, in
order to preventany damage to
the installation, do not unblock
the burner more than twice in a row. If
the burner locks for a third time, con-
tact the customer service.
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.
WARNING
WARNING
WARNING
