ISA SuperCapri H117, Use And Maintenance Manual

Page: 61 / 212

EN
61
SUPERCAPRI
428000925100
10. FAULTS - TECHNICAL AFTER-SALES ASSISTANCE
If the appliance is not working properly or stops working, before contacting the service of the Customer Support
Centre check the following:
THE APPLIANCE IS NOT WORKING
CAUSE SOLUTION
PERSONNEL
AUTHORISED
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.
The plug is not inserted Insert the plug.
Electrical black-out If the black-out should be prolonged, transfer the product
into an appropriate cold storage container.
THE INTERNAL TEMPERATURE IS NOT LOW ENOUGH
CAUSE SOLUTION
PERSONNEL
AUTHORISED
Evaporator/s obstructed completely
by ice
Carry out an additional defrosting cycle. USER
Wrong temperature setting Set the appropriate temperature.
The appliance is affected by draughts or is
exposed to direct or reflected sunlight
Remove any draughts and prevent any direct or reflected
sunlight.
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.).
Internal fans at standstill or with fans damage TECHNICAL
ASSISTANCE
Internal ventilation is too high
Thermostat / Electrical base unit
not efficient
Replace the electronic control board.
If the control unit is set up especially for must R290 refriger-
ant, it must only be replaced with an original replacement
from ISA. Replace the temperature probes only after check-
ing which of the two is not operating efficiently.
Condenser unit blocked by dust
or dirt in general.
Clean the condensing unit thoroughly.
The air condenser or MAINTENANCE FREE, in particular heavy
environments (e.g. presence of dust, the presence of exces-
sive moisture, oiled vapours etc..) in order to avoid perfor-
mance loss, needs accurate cleaning.
Insufficient refrigerant
load in the cooling system
Find the cause behind the lower amounts of coolant and
eliminate it.Top up the coolant.If necessary, empty the sys-
tem before topping up.
THE COMPRESSOR DOES NOT START-UP OR OPERATES FOR A FEW MOMENTS
CAUSE SOLUTION
PERSONNEL
AUTHORISED
No electric power supply
to the appliance
Check if there is a power cut.
Close the various switches on the power supply line.
USER
Excessively low power voltage Check that the network voltage of the power supply cable is
of a nominal value of 220V +/- 10%.
Temperature set too high If the temperature is higher than the air temperature
in the display chamber, the compressor will not start.
Set the suited temperature if the current temperature
is not low enough.
Intervention of the maximum pressure
switch (where present)
Check the reasons why the pressure switch is operating at
maximum pressure levels, such as: air condenser obstructed,
condenser fan with air stopped, ambient
temperature too high, pressure switch defective.
TECHNICAL
ASSISTANCE