Cutmaster 42 troubleshooting – Tweco 42 CutMaster Service Manual User Manual
Page 48
Troubleshooting 6-12 Manual 0-5171
CUTMASTER 42
TROUBLESHOOTING
DC Bus Testing
Multimeter Lead Placement
Voltage with Supply voltage ON
Upper capacitor bank
Positive meter lead to testpoint 30
Negative meter lead to testpoint 29
192 VDC +/-10%
Lower capacitor bank
Positive meter lead to testpoint 31
Negative meter lead to testpoint 32
192 VDC +/-10%
Overall capacitor bank
Positive meter lead to testpoint 29
Negative meter lead to testpoint 32
384 VDC +/-10%
Table 6-5 DC BUS, Multimeter set to measure DC volts
Note: These DC voltages are at nominal mains supply voltage of 240VAC.
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