Handleiding
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5.1.27 Datacenter module communication fail
This alarm is generated in case of communication problems with the datacenter module.
Symptom
Cause
Solution
Unit status is On.
Bell icon is moving on controller’s
display.
String in the alarm list:
DcModCommFail
String in the alarm log:
± DcModCommFail
String in the alarm snapshot
DcModCommFail
Module has no power supply
Check the power supply from the
connector on the side of the module.
Check if LEDs are both green.
Check if the connector on the side is
tightly inserted in the module
Led Off
Check if power supply is ok but LEDs
are both off. In this case replace the
module
BUS or BSP Led are red
Check if module’s address is correct
referring to the wiring diagram.
If BSP LED is solid red replace the
module.
BSP error.
Reset
Notes
Local HMI
Network
Auto
Automatically clears when the
communication is re-established.
5.1.28 SAF communication fail
This alarm is generated in case of communication problems with the SAF.
Symptom
Cause
Solution
Bell icon is moving on controller’s
display.
String in the alarm list:
SAF CommErr
String in the alarm log:
± SAF CommErr
String in the alarm snapshot
SAF CommErr
RS485 network is not properly cabled.
Check the continuity of the RS485
network with the unit off. There should
be continuity from the main controller
to the SAF as indicated on the wiring
diagram.
Modbus communication is not running
properly.
SAF pump address. All the addresses
must be different.
SAF is not powered
Check if the SAF is correctly powered.
Reset
Notes
Local HMI
Network
Auto
Automatically clears when the
communication is re-established.
5.1.29 SAF High current
This alarm indicates that the SAF current has exceeded a safety limit and it must be stopped to avoid damages to
components.
Symptom
Cause
Solution
Bell icon is moving on controller’s
display.
String in the alarm list:
SAF HiCurrent
String in the alarm log:
± SAF HiCurrent
String in the alarm snapshot
SAF HiCurrent
Filter adsorbed current is exceeding a
predefined limit
Contact service organization to check
filter integrity.
Reset
Notes
Local HMI
Network
Auto
5.1.30 SAF High temperature
This alarm indicates that the SAF temperature has exceeded a safety limit and it must be stopped to avoid damages to
components.
.
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Productinformatie
| Merk | Daikin |
| Model | EWAH670TZXRB2 |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 11657 MB |
