26
71504138-0-003
EN
Kriwan compressor input (ID3)
active.
With the rst two alarms the message "Compressor 1 Circuit
Breaker Warning" will appear on the alarm window, with the
third alarm the message "Compressor 1 Circuit Breaker
Alarm" will appear, the alarm symbol will appear, the buzzer
will sound and any program running will be exited, returning
to the main menu.
Check the condenser state of cleanliness,
that the condenser fan is working, that the
room is suciently ventilated. Check that
the compressor is not jammed (Service).
AL20
If the cell temperature is less than
the set temperature determined,
by the value in degrees dened
by parameter A2, in the positive
preservation case and A4 in the
negative preservation case.
Displaying of the wording "Cell low temperature alarm" in the
alarm window. The alarm symbol will appear, the buzzer will
sound and compressor outlet will be deactivated until return
to below the necessary limit.
If the alarm repeats several times, stop the
machine and contact the Support Service
to update the parameters.
AL15
Cause
Eect
Solution
Maximum pressure sensor
input (if present) (ID1) active.
Displaying of the wording "High pressure of pressure switch
alarm" in the alarm window. The alarm symbol will appear, the
buzzer will sound and the compressor output will be switched
o upon the third appearance of this alarm in a cycle it
will be ended.
Check the condenser state of cleanliness,
that the condenser fan is working, that the
room is suciently ventilated. Check to see
if the input setting of alarm ID1 is correct
(Service) is correct.
AL18
Minimum pressure switch input
(if present) (ID2) active.
Displaying of the wording "Pressure switch low pressure
alarm" in the alarm window. The alarm symbol will appear, the
buzzer will sound, the compressor will stop, the cycle will be
terminated upon the third appearance of this alarm in a cycle.
Check whether the ambient temperature is
too low. Check if the parameter setting of
input ID2 is correct, or if there are any leaks
in the circuit (Service)
AL19
AL21
Defective evaporate probe, for
more than 30" (U3 card input).
Displaying of the wording "Suction temperature probe
alarm" in the alarm window, the alarm symbol will appear, the
buzzer will sound, the defrost cycles will not be performed and
the evaporator fan will depend on parameter F2.
Check the evaporator probe connection,
and check the configuration parameter
setting and replace it if necessary (service).
AL24
If periodic maintenance activities have been set up, maintenance warnings may appear that do
not aect the operation of the equipment. In this case, however, contact technical assistance.
If the power failure duration
exceeds the time dened by the
UL parameter, and there was a
cycle in progress
Displaying of the wording "Blackout alarm" in the alarm
window. The alarm symbol will appear, the buzzer will sound
and the cycle in progress before the blackout will resume.
Check electrical connection upstream of the
equipment (service).
AL31