Troubleshooting
- 49 -02.20 909.2710.1-06
9.2 Supply voltages
All internal supply voltages are generated and monitored on the pc-board MAPRO05. The basic supply is
coming from the control transformer.
Schematic
Fig. 39: Supply voltages
Different supply voltages are monitored by the Microcontroller (Master) and the DSP (Process).
If the 24V drops below 17V the machine will stop and displays E14 (Op. voltages error).
If the 24V are higher than 36V the machine will stop and displays E02 (mains overvoltage).
voltage limit reaction
+24V DC <17V DC Shutdown with E14
+24V DC >36V DC Shutdown with E02
Tab. 31: Voltage limits
The actual values of the 24V and 15V can be checked via the front panel in menu Extras, Diagnosis, Op.
Voltages.
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