Maintenance And Repair; Maintenance Tasks; Inspection During Operation; Repair - Danfoss VLT ISD Connection Box Operating Instructions Manual

Maintenance and Repair

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 Maintenance
Task Interval
Vents Vacuum Regularly or as
necessary
Connection Clean Regularly or as
box necessary
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.
®
VLT ISD Connection Box Operating Instructions

9.3 Repair

9.3.1 Replacing the Fuses

HIGH VOLTAGE
The connection box contains high voltage when connected
Instruction
to the power supply module. Disconnect the power supply
and wait for the discharge time to elapse before changing
Vacuum the
the fuses.
vents with a
vacuum cleaner
Number
Clean the
0-60 servomotors
surface with a
Note: High voltage may still be present even if the LED on the
dry cloth
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.
®
MG75G102 - VLT is a registered Danfoss trademark
WARNING
Minimum waiting time (discharge time)
10 minutes
ISD connection box is not lit!
9 9
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