Operation and Maintenance Instructions
NEW EcoCooler
DSKE180401.00.EN
Page 18
Continuous product development may give rise to specification changes without notice.
Alarm information for inverter and compressor
For unit incl. control (code MX), alarm information can be read on the Climatix
display (Main menu > Unit > Cooling > Alarms).
For unit excl. control (code UC, MK, US), alarm information can be read on the
Carel display. Press the alarm symbol to view alarms.
Climatix alarm
(code MX)
Explanation and corrective action
Cooling unit
Sum alarm
Sum alarm, check alarm in Carel, see table below.
Alarm C1 R. pressure switch
High pressure switch tripped or alarm for frequency inverter.
Alarm C1 EEV motor fault
Fault on electrical connection to expansion valve.
Alarm C1 low pressure sensor
Power cut or short circuit to low pressure sensor. Check EVD, cabling and sensor.
Alarm C1 suction gas sensor
Power cut or short circuit to suction gas sensor. Check EVD, cabling and sensor.
Alarm C1 high pressure sen-
sor
Power cut or short circuit to high pressure sensor. Check EVD, cabling and sensor.
Alarm C1 low overheating
Compressor stoppage caused by low overheating.
Alarm C1 LOP
Compressor stoppage caused by low evaporation temperature.
Alarm C1 MOP
Compressor stoppage caused by high evaporation temperature.
Alarm C1 communication EVD Fault on communication to EVD (expansion valve control).
Alarm C1 low suction gas
temp
Low suction gas temperature.
