Danfoss VLT DeviceNet MCA 104, Руководство по установке

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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
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 [%] .
4.2 Troubleshooting
4.2.1 LED Status
The 2 bi-colour LEDs on the DeviceNet card indicate the
status of DeviceNet communication:
•
The lower LED (NS) indicates the net status.
•
The upper LED (MS) indicates the module status.
MS Upper left LED
NS Lower left LED
Illustration 4.1 LED Panel DeviceNet MCA 104
State Bi-colour LED Status
No Power Off There is no power applied to the option.
Device
operational Green The DeviceNet option is operating in
normal condition.
Standby Green The DeviceNet option needs commis-
sioning due to configuration missing,
incomplete or incorrect.
Minor fault Red Recoverable fault.
Unrecov-
erable fault Red Unrecoverable fault, may need replacing.
Self test Green The DeviceNet option is in Self-test
mode.
Red
Table 4.1 LED: Module Status (MS)
Troubleshooting
VLT
®
DeviceNet MCA 104
12 Danfoss A/S © Rev. 03/2015 All rights reserved. MG33D502
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