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8. Error messages
Problem
Cause
Solution
Message
”AL”
flashes
and a throbbing signal is
heard.
(Alarm: evaporator high
temperature)
Recorded evaporator
probe temperature
exceeds the set value.
Contact the service
company.
-
Check evaporator blower
performance.
Message
”AL”
flashes
and a throbbing signal is
heard.
(
Alarm: high temperature
of the cooling area
)
Recorded probe
temperature in the
oooling area exceeds
the set value.
-
Check the unit temperature.
-
Check if the device operates
correctly.
Message
”id”
flashes
and a throbbing signal is
heard.
(
Alarm: door micro-
switch input
)
Door micro-switch input
remains
open.
-
Close the door.
Contact the service
company.
-
Check door micro-switch.
-
Check if the door is in a
correct position.
Message
”COH”
flashes
and a throbbing signal is
heard.
Condenser
temperature too high.
Contact the service
company.
-
Ventilate the room.
-
Clean the condenser.
Message
”CSd”
flashes
and a throbbing signal is
heard.
Condenser blower
blocked
Contact the service
company.
-
Clean the condenser.
-
Check if the condenser
blower work properly.
