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9.2 Repair and Troubleshooting
WARNING
ELECTRICAL SHOCK HAZARD
AC drives contain high voltage when connected to AC mains input, DC supply, or load sharing. Having non-qualified personnel
doing repair or troubleshooting can result in death or serious injury.
-
Always disconnect mains supply to the drive before removing the safety option.
-
Only qualified personnel are allowed to troubleshoot on the safety option
Only Danfoss is allowed to repair the safety option. A defect option must be shipped to Danfoss.
9.2.1 Removing the Safety Option (FC 302 only)
Context:
NOTICE
If the safety option is not in the blank initial state when it is removed, the drive trips with
Alarm 84
. To prevent this behavior, set
the option to blank initial state before removing it. This can be done by resetting the safety option via VLT® Motion Control Tool
MCT 10. For more information, see
NOTICE
If the drive detects a change in the hardware configuration, the LCP shows
Alarm 67, Option changed
after a power-up. This
situation can occur after installing or removing an option, or if an option is defective.
NOTICE
If
parameter 14-89 Option Detection
is set to
[0] Protect Option Config.
, and the drive detects a change in the configuration, the
drive trips with
Alarm 88, Option Detection
after a start-up. This behavior prevents any unintended parameter changes. To avoid
alarm 88, set
parameter 14-89 Option Detection
to
[1] Enable Option Change
.
Prerequisites:
Before removing the safety option, save all parameters of the safety option and device settings using 1 of the following ways:
•
Use MCT 10 Set-up Software, see VLT® Motion Control Tool MCT 10 Operating Guide.
•
Execute the LCP copy operation by selecting
[1] All to LCP
in
parameter 0-50 LCP Copy
. This operation duplicates the existing
parameter settings.
Maintenance, Diagnostics, and
Troubleshooting
Installation Guide | VLT®Safety Option MCB 152
AN327351953089en-000101 / 130R0578
58 | Danfoss A/S © 2020.02
Содержание MCB 152
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