REHM 150 3310, Руководство по эксплуатации

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Machine faults
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7.2 Fault finding table
REHM-operators panel does not function
The digital display does not illuminate and neither does any of the LED’s
Possible cause:
Possible remedy:
No mains voltage (e.g. mains fuse) Check mains voltage and fuses
Cable break or plug defect Check and repair
Mains supply over-voltage Check mains voltage, (use other socket)
Machine has been switched on and several times Allow machine to cool down app. 10 mins.
(see Ch. 3.6)
Error messages.
The display shows “Err“ and the over
-temperature LED is blinking.
Possible cause: Possible remedy:
Primary current has reached the critical value. Call for service.
The Upslope and Downslope times are set at „0.0“ and cannot be changed.
Possible cause:
Possible remedy:
The remote foot-control is plugged in. These times are controlled manually by the
foot-control. Unplug foot-control.
The Upslope and/or the Downslope times are not correct as set.
Possible cause:
Possible remedy:
Start current set at 100 %. Change the start current.
Crater fill current set at 100%. Change the crater fill current.
Trigger latch (4-step) cannot be set.
Possible cause:
Possible remedy:
The remote foot-control is plugged in. Unplug foot-control.
Balance and Frequency cannot be selected.
Possible cause:
Possible remedy:
Polar
ity is not set on „  “
Can only be selected in AC mode.
The unit has different parameters than it had when switched off.
Possible cause:
Possible remedy:
The values will only be saved after the first Weld with the machine.