Handleiding
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± CxCmp1 VfdLowTemp
String in the alarm snapshot
CxCmp1 VfdLowTemp
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
5.5.5 Low Discharge Superheat fault
This alarm indicates that the unit has worked for too long with low discharge super heat.
Symptom
Cause
Solution
Circuit status is Off.
The circuit is switched off with the
shutdown procedure.
Bell icon is moving on controller’s
display.
String in the alarm list:
CxCmp1 OffDishSHLo
String in the alarm log:
± CxCmp1 OffDishSHLo
String in the alarm snapshot
CxCmp1 OffDishSHLo
EEXV is not working correctly.
It’s not opening enough or it’s moving
in the opposite direction.
Check if pump-down can be finished
for pressure limit reached;
Check expansion valve movements.
Check connection to the valve driver
on the wiring diagram.
Measure the resistance of each
winding, it must be different from 0
Ohm.
Reset
Notes
Local HMI
Network
Auto
5.5.6 Oil Pressure 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 OffOilFeedPSen
String in the alarm log:
CxCmp1 OffOilFeedPSen
String in the alarm snapshot
CxCmp1 OffOilFeedPSen
Sensor is broken.
Check for sensor integrity.
Check correct sensors operation
according to information about mVolt
(mV) range related to pressure values
in kPa.
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 on refrigerant circuit pipe. The
transducer must be able to sense the
pressure through the valve’s needle.
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
5.5.7 Antichatteting alarm
This alarm is generated to indicate a fail during the antichattering procedure.
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:
CxOff AntiChattering
AlmString in the alarm log:
± CxOff AntiChattering
String in the alarm snapshot
The procedure of antichattering fail.
Antichattering can’t equalized the
pressure between economizer and
suction line in a 10 minutes.
Check for solenoid valves (suction
and discharge) integrity.
Bekijk gratis de handleiding van Daikin EWAH670TZXRB2, 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 | EWAH670TZXRB2 |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 11657 MB |
