6 Test Procedures
6.1 Non-repairable Units
H1–H5 and I2–I4 are non-repairable units and should not
be repaired. The information about Line/Motor/UDC+-
terminals is useful to verify what went wrong with these
frequency converters, for statistics and WIIS purposes, but
also to avoid replacing a frequency converter that is not
defective.
1Line
2Ground
3Motor
4Relays
Illustration 6.1 H1–H5 Frame
IP20 200–240 V, 0.25–11 kW and IP20 380–480 V, 0.37–22 kW
1 RS485
2 Line in
3Ground
4Wire clamps
5Motor
6UDC
7Relays
8I/O
Illustration 6.2 I2 Frame
IP54 380–480 V, 0.75–4.0 kW
Test Procedures TR150 and TR170 Service Manual
BAS-SVM04B-EN 02/2017 All rights reserved. 45
6
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