Danfoss VLT DeviceNet MCA 104 Manual de instalação - Página 14

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Troubleshooting

4 Troubleshooting

4.1 Warnings and Alarms

NOTICE
Refer to the relevant Operating Instructions for an
overview of warning and alarm types and for the full list
4
4
of warnings and alarms.
Alarm word, warning word, and DeviceNet warning word
are shown on the frequency converter display in hex
format. When there is more than 1 warning or alarm, the
sum of all warnings or alarms is shown. Alarm word,
warning word, and DeviceNet warning word can also be
displayed using the serial bus in parameter 16-90 Alarm
Word, parameter 16-92 Warning Word, and
parameter 16-05 Main Actual Value [%].
State
No Power
Device
operational
Standby
Minor fault
Unrecov-
erable fault
Self test
Table 4.1 LED: Module Status (MS)
12
Bi-colour LED
Off
Green
Green
Red
Red
Green
Red
Danfoss A/S © Rev. 03/2015 All rights reserved.
®
VLT
DeviceNet MCA 104
4.2 Troubleshooting

4.2.1 LED Status

The 2 bi-colour LEDs on the DeviceNet card indicate the
status of DeviceNet communication:
•
•
MS
NS
Illustration 4.1 LED Panel DeviceNet MCA 104
The lower LED (NS) indicates the net status.
The upper LED (MS) indicates the module status.
Upper left LED
Lower left LED
Status
There is no power applied to the option.
The DeviceNet option is operating in
normal condition.
The DeviceNet option needs commis-
sioning due to configuration missing,
incomplete or incorrect.
Recoverable fault.
Unrecoverable fault, may need replacing.
The DeviceNet option is in Self-test
mode.
MG33D502