Troubleshooting
- 55 -02.20 909.2710.1-06
9.6 Monitoring output voltage
The output voltage is conducted via a low pass filter (pc-board DP-UFI-BO) to the MAPRO pcb. The voltage
is measured by the Master as well as the Process.
Schematic
If the Master is measuring a voltage >100V, the machine will stop and displays E06 (secondary overvolt-
age). If the Process should detect a voltage higher that 100V, the machine will stop and displays E20
(Overvoltage secondary).
If no voltage can be measured at all, then machine will stop and displays also E20.
Possible reasons could be:
– disconnected measuring wires (red and blue)
– loose connection of the connectors
– interchanged wires (red with blue)
If the Master is measuring another voltage than the DSP, the machine will stop and displays E09 (V/A
measuring error).
If the Process is measuring an output voltage >60V when the machine is not welding (standby), the ma
-
chine displays the error message E21 (Output voltage/current).
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