Connect the voltage and the other cable. Mount the new PCB.
See Fig 6
9. Discharge the tools and yourself by
touching earth (if you are not earthed).
4.
3.
6. Disconnect the voltage from terminals 1L1,
3L2 and 5L3 (main supply).
Fig. New PCB rev I
or later. Discharge the package with the new PCB
by moving earth.
PS make sure that you are placing the jumper for supply voltage the
correct position, 110 120V 220 240V.
2.
This part valid replacing broken PCB with new PCB with the same revision newer,
Step step. Disconnect the cable the PCB from the
thyristors, fans and thermal switch.
7. Remove the front cover.12. Disconnect all cables from the terminals to.7) for the gate wires and other internal connections.
Mount also the connector for Supply
Voltage.
5. DS
Ready for start!!
-. Mount the front cover.Start here if
Replacing PCB marked Rev later (also for 690V Rev I)
These PCB have white colored connectors (see Fig. Mount the cable the PCB from the
thyristors, fans and thermal switch. Remove the old PCB.
11.
10.
1.
8
