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9. Troubleshooting
Remedying DS WS 15 wire saw system malfunctions
■ The DS WS 15 doesn't start.
The main switch is in the ON position but the green “ready for
operation” lamp doesn't light.
Possible cause Solution / measures
No power supplied by the cable. – Check the mains fuse at the
switchbox (35–40 A)
Voltage of one phase is too low or – Check the 3 phases individually.
missing completely. – Check the extension cable and
plugs / sockets for faults or loose
contacts.
– Call in the jobsite electrician.
Fuse blown or circuit breaker tripped ■ Replace blown fuses or reset
at the switchbox. the circuit breaker.
– Mains fuse
– Transformer fuse 3.15 A, slow
– Transformer fuse 0.63 A, slow
– 1 relay unit for , ,
– Spare fuses are provided in the
control unit.
9.2
■ Fault with one of the following symptoms
Possible cause Solution / measures
햲 Red lamp on left doesn’t light, – Swap or replace relay .
converter/drive motors not running.
햳 Red lamp at middle left doesn’t – Call in an electrical specialist,
light, problem with thermal circuit relay
breaker, wire guard.
햴 Red lamp at middle right doesn’t – Swap or replace relay .
light, pneumatic advance at end
stop
햵 Red lamp on the right lights, – Swap or replace relay .
water valve
The same type of relay , , is used for 햲, 햴 and 햵, i. e. they can be
swapped with each other.
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5
1 3
2 4
4
7
1
2 3 4
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