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