Annovi Reverberi HOT 2321N Traduction Des Instructions Originales page 15

9.5 End-of-season storage
Before putting the machine into store for the winter, run it with non-
aggressive, non-toxic antifreeze.
Put the machine in a dry place, protected from frost.
10 EXTRAORDINARY MAINTENANCE
Warning - danger!
Extraordinary maintenance must be performed by
an authorised sales and service centre.
10.1 Check the hydraulic circuit, inspect the fixtures and mount-
ings for damage and check the boiler electrode setting every
200 working hours
.
12 TROUBLESHOOTING
Problems
Boiler shuts off and light C18
comes on
The machine shuts off
The pump runs but does not
reach the specified pressures /
uneven pressure / pressure drops
Boiler smoking
Probable causes
Lack of diesel
Plastic coupling between diesel pump and boiler motor
worn, diesel pump worn, boiler motor not working
Minor leaks
Water supply tap turned off
Regulating valve seat worn
Water nozzle worn or unsuitable
Worn gaskets
Water filter fouled
Worn intake and/or delivery valves
Dirt in the valves, interfering with their operation
Air being sucked into system
Safety valve leaking
Calcium deposits in circuit
Water in diesel tank
Diesel pressure not correct
Ignition electrodes not correctly positioned
Diesel nozzle fouled
Diesel nozzle worn
Heating coil obstructed
Diesel pump fouled
Diesel solenoid valve not working
10.2 Replace the oil, electrodes, nozzles and filters every
500 working hours.
10.3 Clean the boiler and descale the heating coil every
500 working hours.
10.4 Check the safety devices every 500 working hours.
11 STORAGE AND TRANSPORTATION (FIG.5)/PAGE 6
Store the accessories as shown in fig.5.
Transport the machine as shown in fig.5.
Fill the diesel tank
Replace: the diesel pump coupling or the boiler motor
Contact an Authorised Service Centre
Always disconnect the plug from the power socket before
carrying out any work on the machine. Check that there
are no leaks in the machine's water circuit; repair or
replace any faulty parts. Reset the switch (H).
If the problem persists, contact an Authorised Service
Centre.
Check and turn on the tap
Replace the valve seat
Contact an Authorised Service Centre
Replace water nozzle
Replace the gaskets
Contact an Authorised Service Centre
Clean the water filter
Replace the valves
Contact an Authorised Service Centre
Check and clean
Contact an Authorised Service Centre
Check the intake pipelines
Check the safety valve
Contact an Authorised Service Centre
Check and clean
Contact an Authorised Service Centre
Drain the tank and replace the diesel
Contact an Authorised Service Centre
Contact an Authorised Service Centre
Clean the diesel nozzle
Contact an Authorised Service Centre
Replace the diesel nozzle
Contact an Authorised Service Centre
Clean the heating coil
Contact an Authorised Service Centre
Clean the diesel pump
Contact an Authorised Service Centre
Replace the diesel solenoid valve
Contact an Authorised Service Centre
15
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