Danfoss VLT ISD Connection Box, Руководство по эксплуатации

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9 Maintenance and Repair
9.1 Maintenance tasks
The connection boxes are largely maintenance free.
The maintenance tasks listed in the following table may be
performed by the customer. No other tasks are required.
Component Maintenance
Task Maintenance
Interval Instruction
Vents Vacuum Regularly or as
necessary Vacuum the
vents with a
vacuum cleaner
Connection
box Clean Regularly or as
necessary Clean the
surface with a
dry cloth
Table 9.1 Overview of Maintenance Tasks
9.2 Inspection during Operation
Carry out regular inspections during operation. Check the
connection box at regular intervals for anything unusual.
Pay particular attention to:
•
Loose fastenings
•
Condition of electrical wiring and cables
In the event of irregularities or problems, see 8.4 Trouble-
shooting .
9.3 Repair
9.3.1 Replacing the Fuses
WARNING
HIGH VOLTAGE
The connection box contains high voltage when connected
to the power supply module. Disconnect the power supply
and wait for the discharge time to elapse before changing
the fuses.
Number Minimum waiting time (discharge time)
0-60 servomotors 10 minutes
Note: High voltage may still be present even if the LED on the
ISD connection box is not lit!
Table 9.2 Discharge Time
Fuse type: 16 A FF, size G (6.3 x 32 mm)
NOTE
No other repairs to the connection box are allowed.
Always return defective connection boxes to Danfoss.
Maintenance and Repair
VLT
®
ISD Connection Box Operating Instructions
MG75G102 - VLT
®
is a registered Danfoss trademark 43
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