Rectifying faults
General operating problems
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099-004839-BOC01
10.11.2009
7.4 General operating problems
Problem Possible cause > remedy
Machine control without displaying the signal
lights after switching on
• Phase failure > check mains connection (fuses)
no welding performance • Phase failure > check mains connection (fuses)
various parameters cannot be set • Entry level is blocked > disable access lock (see
chapter entitled "key switch", if available)
7.4.1 Interface for mechanised welding
WARNING
No function of the external shut-down devices (emergency stop switch)!
If the emergency stop circuit has been realised using an external shut-down device via
the interface for mechanised welding, the device must be set for this setup. If this is not
observed, the power source will ignore the external shut-down devices and will not shut
down!
• Disconnect jumper 1 on PCB T320/1 or M320/1!
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