Service
- Troubleshooting
Fault diagnosis and repair
In the event of a malfunction, first check
that the prerequisites for correct
operation are fu llfilled:
1. Is there any current?
2. Is there fuel 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. correctly set?
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.
420010492200
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.
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