Porkka F Technical And Service Manual page 18

Technical and Service manual
Inventus upright refrigerators and freezers
Troubleshooting
The evaporator ice's up, the
cabinet will begin to warm
up or the temperature of a
freezer cabinet 'F' is slow to
regain back to the set
temperature.
The fault can be caused by
the condenser.
The evaporator ice's up, the
cabinet will begin to warm
up or the temperature of a
freezer cabinet 'F' is slow to
regain back to the set
temperature.
The fault can be caused by
Misuse of the unit.
The evaporator ice's up, the
cabinet will begin to warm
up or the temperature of a
freezer cabinet 'F' is slow to
regain back to the set
temperature.
The fault can be caused by
the Function of the
evaporator fan.
The evaporator ice's up, the
cabinet will begin to warm
up or the temperature of a
freezer cabinet 'F' is slow to
regain back to the set
temperature.
The fault can be caused
by the function of defrosting.
Porkka reserves the right to make product alterations at any time and can not be held responsible for any printing errors or omissions.
The air circulation of the condenser has been blocked
by something.
The condenser or the condenser filter is dirty and
blocked.
The condenser fan does not function.
The equipment being used to other purpose of use
than it was meant for.
Air circulation inside the cabinet is blocked.
See the item " The fan signal LED in the control
device is on but the evaporator fan does not rotate."
In case the equipment has two evaporator fans,
check that both fans function. If one of them does
not function it is probably not possible to reach the
required temperature.
See the item "The evaporator probe P2 does not
function properly".
The hot-gas defrosting of the cabinet with own
cooling unit does not function.
Check the function of the electromagnetic valve.
The valve pipe to the evaporator is hot in the
beginning of defrosting if the valve opens normally.
The electric defrosting of the cabinet with central
cooling unit does not function.
Measure the function of the defrost relay of the
control board connectors. If no voltage comes to the
points, the relay is defective.
The electric defrosting of the cabinet with central
cooling unit does not function.
Measure the function of the defrost relay of the
control board connectors. If voltage comes to the
points, the heater is defective.
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Check that the air
circulation is not blocked.
Clean the filter and/or the
condenser.
See the item:
The unit gives "Csd" alarm.
Check that no one is
trying to refrigerate
or freeze warm foodstuffs.
Check that the air
circulation is not blocked.
Replace the fan
Replace the fan
Replace the magnet valve
if necessary.
Replace the board.
Replace the heater.