7 SERVICE & TROUBLESHOOTING
M-7.3-16 Rev. 05 09/03/15 BLOOD BANK REFRIGERATORS AND PLASMA FREEZER
31
Use and maintenance manual
Here below a list of possible faults that might occur with descriptions of possible causes and a
short corresponding actions list to try:
FAULT
POSSIBLE CAUSE
ACTION
The appliance does not switch
on
Power switch is OFF
Power failure
Other
Move main switch ON
Check the plug, socket, fuses,
electrical line
Contact service department
Refrigeration unit does not
start
Set temperature has already
been reached
Defrosting cycle in progress
Control panel fault
Other
Set new temperature
Wait for the end of defrost cycle,
switch off and then on again after
few minutes
Contact service department
Contact service department
Refrigeration unit runs
constantly but does not reach
set temperature
Room temperature too high
Condenser dirty
Refrigerant needs recharging
Fan of condenser does not
work
Door gasket is damaged
Evaporator is coated with ice
Defrost valve is open
Provide for better ventilation of
the room and clean condenser
Clean condenser
Contact service department
Contact service department
Check seals /make sure
refrigerator contents are not
obstructing the door
Defrost manually
Contact service department
Water or ice deposits in the
drip tray
Drain outlet is clogged
Appliance not levelled
Clean drain and drain outlet
See heading 2.2
