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Air and Water cooled inverter chillers and heat pump
EWAD TZ - EWAD TZ B - EWWD VZ
Air and Water cooled inverter chillers
and heat pump
D-EOMZC00105-17EN
Operation Manual
67/84
String in the alarm list:
Cx GasLeakSen
String in the alarm log:
Cx GasLeakSen
String in the alarm snapshot
Cx GasLeakSen
information about mVolt (mV) range related
to ppm values.
Sensor is shorted.
Check if sensor is shorted with a resistance
measurement.
Sensor is not properly connected (open).
Check for correct installation of the sensor.
Check for absence of water or humidity on
sensor electrical contacts.
Check for correct plug-in of the electrical
connectors.
Check for correct sensors wiring also
according electrical scheme.
Reset
Notes
Local HMI
Network
Auto
6.4.6
CxCmp1 MaintCode01 (A/C units only)
This alarm indicates that a component in the inverter may require verification or even a replacement.
Symptom
Cause
Solution
Circuit status is On.
The compressor keep operating as
normal.
Bell icon is moving on controller’s display.
String in the alarm list:
CxCmp1 MainCode01
String in the alarm log:
CxCmp1 MainCode01
String in the alarm snapshot
CxCmp1 MainCode01
The inverter cooling valve in the inverter,
may
require
a
verification
or
a
replacement.
Contact your service organization to get
the problem solved.
Reset
Notes
Local HMI
Network
Auto
6.4.7
CxCmp1 MaintCode02 (A/C units only)
This alarm indicates that a component in the inverter may require verification or even a replacement.
Symptom
Cause
Solution
Circuit status is On.
The compressor keep operating as
normal.
Bell icon is moving on controller’s display.
String in the alarm list:
CxCmp1 MainCode02
String in the alarm log:
CxCmp1 MainCode02
String in the alarm snapshot
CxCmp1 MainCode02
The capacitors in the inverter, may require
a verification or a replacement.
Contact your service organization to get
the problem solved.
Reset
Notes
Local HMI
Network
Auto
6.4.8
Power Loss (A/C units only)
This alarm indicates that a short under voltage on main power supply, that does not turn off the unit, has
occurred.
Resolution of this fault requires a direct intervention on the power supply of this unit.
Direct intervention on the power supply can cause electrocution, burns or even death. This action must be
performed only by trained persons. In case of doubts contact your maintenance company.
Symptom
Cause
Solution