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5.5.4 Liquid Temperature Sensor fault
This alarm is generated to indicate that the sensor is not reading properly.
Symptom
Cause
Solution
Circuit status is Off.
The circuit is switched off with the
normal shutdown procedure.
Bell icon is moving on controller’s
display.
String in the alarm list:
CxCmp1 OffLiquidTempSen
String in the alarm log:
CxCmp1 OffLiquidTempSen
String in the alarm snapshot
CxCmp1 OffLiquidTempSen
Sensor is shorted.
Check for sensor integrity.
Check correct sensors operation
according information about kOhm
(k) range related to temperature
values.
Sensor is broken.
Check if sensor is shorted with a
resistance measurement.
Sensor is not properly connected
(open).
Check for correct installation of the
sensor on refrigerant circuit pipe.
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 with electrical scheme.
Reset
Notes
Local HMI
Network
Auto
5.5.5 Low Compressor Vfd Temperature fault
This alarm is generated to indicate that the Vfd temperature is too low to allow the compressor to run safely.
Symptom
Cause
Solution
Circuit status is Off.
The circuit is switched off with the
normal shutdown procedure.
Bell icon is moving on controller’s
display.
String in the alarm list:
CxCmp1 VfdLowTemp
String in the alarm log:
CxCmp1 VfdLowTemp
String in the alarm snapshot
CxCmp1 VfdLowTemp
Cooling solenoid valve is not
operating properly. It’s always open
when compressor runs.
Check electrical connection of the
solenoid valve.
Check operation of the valve to see if
it can close properly.
Check operating cycles of the valve. It
has a limited number of cycles.
Vfd heater is not working.
Check if the Vfd heater is powered.
Check if the Vfd heater is commanded
on when Vfd temperature is low.
Reset
Notes
Local HMI
Network
Auto
5.5.6 Low Oil Level fault
This alarm indicates that the oil level inside the oil separator has become too low to allow for a safe operation of the
compressor.
This switch may not be installed on the unit because in regular operations the oil separation is always granted.
Symptom
Cause
Solution
Circuit status is Off.
The circuit is switched off with the
normal shutdown procedure.
Bell icon is moving on controller’s
display.
String in the alarm list:
CxCmp1 OffOilLevelLo
String in the alarm log:
CxCmp1 OffOilLevelLo
String in the alarm snapshot
CxCmp1 OffOilLevelLo
Oil Level switch not operating
correctly.
Check the cabling between switch
and controller feedback and power.
Check if switch operates correctly.
Check if digital input of the controller
operates correctly.
Check the oil charge.
Verify if there is enough oil inside the
circuit.
Reset
Notes
Local HMI
Network
Auto
Bekijk gratis de handleiding van Daikin EWYS5004Z, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Daikin |
| Model | EWYS5004Z |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 7564 MB |
