Yaskawa GPD 506/P5 Section One - Manual (Page 15)

PP.P5G5.01.Troubleshoot
Page 15
Rev. 06/11/2003
Input Diode Check
Test Equipment - Analog Ohmmeter Set to R X 1 Scale
or Digital Multimeter set to the Diode Check.
Step No.
Approximately
0.5 Volts
Ohmmeter
Positive Lead
Ohmmeter
Negative Lead
1
2
3
4
L1 Terminal
L2 Terminal
L3 Terminal
Terminal labeled (+)
Approximately
10 Ohms
L1 Terminal
L2 Terminal
L3 Terminal
Terminal labeled (-) Infinite Ohms 0L displayed
Terminal labeled (-)
L1 Terminal
L2 Terminal
L3 Terminal
Approximately
10 Ohms
Approximately
0.5 Volts
Terminal labeled (+)
L1 Terminal
L2 Terminal
L3 Terminal
Infinite Ohms 0L displayed
Expected
Reading
(Analog Meter)
Expected
Reading
(Digital Meter)