15
MILLENNIUM
EN 428001275137
Use and maintenance manual
9.
FAULTS - TECHNICAL AFTER-SALES ASSISTANCE
In case of uncertain or no operation,
before requesting the intervention of the Technical Assistance service
perform the following checks:
Malfunction
Cause
Solution
Manager
THE EQUIPMENT
DOES NOT WORK
Blown protective fuse
First find the cause of the trip
of the switch, and then replace the new fuse.
User
The master switch is open
Close the master switch.
User
The plug is not inserted
Insert the plug.
User
Electrical black-out
If the black-out should be prolonged, transfer the product into an
appropriate cold storage container.
User
THE TEMPERATURE
IS NOT SUFFICIENTLY
LOW
Evaporator(s) completely blocked with ice
Carry out an additional defrosting cycle.
User
Wrong temperature setting
Set the appropriate temperature.
User
Equipment being struck by
currents of air or exposed to
direct or reflected sunlight
Remove any draughts and prevent any direct or reflected sunlight.
User
Insufficient air flow for
cooling to the condenser
Remove anything which could obstruct
the circulation of air through the condenser (sheets of paper,
cardboard, insufficient slots in grille, etc.).
User
High ventilation
Technical Assistance
Internal fans not working
or damaged fans
Replace the ventilators/fans.
Technical Assistance
Thermostat / Electronic control board
not efficient
Replace the thermostat / Electronic control unit.
If the electronic control board is used on appliances with R290 cool
-
ant, it must only be replaced with an original spare part supplied by
the manufacturer. Replace the temperature probes only after having
ascertained which of them
is inefficient.
Technical Assistance
Condenser unit blocked by dust
or dirt in general
Clean the condensing unit thoroughly.
The condensing unit in particular operating environments
(e.g. presence of dust, presence of excessive humidity, etc.) when
the performance of the appliance deteriorates requires careful
cleaning.
Technical Assistance
Insufficient refrigerant quantity
in the cooling system
Find the cause of the refrigerant loss and remove it; top up the
refrigerant load
if necessary having emptied
the system.
Technical Assistance
THE COMPRESSOR DOES NOT
START WORKING
OR WORKS FOR
VERY SHORT PERIODS
No electric power supply
to the appliance
Check if there is a power cut.
Close the various switches on the power supply line.
User
Power supply voltage
too low
Check that the mains voltage of the power
supply cable corresponds to the nominal value 220V +/- 10%.
User
Temperature set
too high
If the temperature is higher than the air temperature
in the display chamber, the compressor will not start. Set a more
suitable temperature if the current value is not low enough.
User
Maximum pressure
switch intervention (if present)
Check the cause of the continuous interventions of the maximum
pressure switch such as: blocked air condenser, air condenser fan
stopped, excessively high ambient temperature, breakage of the
pressure switch itself.
Technical Assistance
