Danfoss VLT HVAC Drive FC 102 Installationshandbuch - Seite 16

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Danfoss VLT HVAC Drive FC 102 Installationshandbuch
Troubleshooting
Network Status
Phases
Power off
Power on
Running
4
4
Data exchange
Table 4.4 Indication on Network Status LED
During normal operation, the MS and at least 1 NS LED
shows a constant green light.
Wink command
The interface responds to a Wink command from the
network by flashing all 3 LEDs yellow simultaneously.
4.2.2 No Communication with the
Frequency Converter
When there is no communication with the frequency
converter, proceed with the following checks:
Check 1: Is the cabling correct?
Check that the cable is mounted correctly. Check if the
corresponding network LED shows link activity. NS1 or
NS2.
Check 2: Does the hardware configuration match?
Check that the hardware configuration matches the value
in 12-08 Host Name.
Check 3: Is the correct GSD file installed?
Download the correct GSD file from
www.danfoss.com/BusinessAreas/DrivesSolutions/.
14
Installation Guide
Status
No power or No link on the corresponding port
IP address conflict
Waiting for configuration
In Data Exchange mode
Wrong configuration
No increment in "In Octets" counter of
corresponding port in last 60 s
Danfoss A/S © Rev. 07/2014 All rights reserved.
Tri-colour LED
Off
Red:
▂█▂█▂█▂█▂█
Green:
Green:
▂███▂███▂█
Red:
▂█▂█▂█▂█▂█
Yellow:

4.2.3 Warning 34 Appears

Warning 34 is not only related to wiring.
Warning 34 appears when:
•
There is no master communication for 60 s after
power-up.
•
The master is in stop mode.
•
Master communication is not established, or is
incorrectly configured.
•
Wiring is incorrect.
Action:
•
Check the master mode and master configu-
ration.
•
Check the wiring if the master mode and
communication are correct.
MG90U402