Yaskawa GPD 506/P5 Section One - Manual (Page 38)

PP.P5G5.01.Troubleshoot
Page 38
Rev. 06/11/2003
Test Equipment - Analog Ohmmeter Set to R X 1 Scale
or Digital Multimeter set to the Diode Check.
Step
Approximately
0.5 Volts
Ohmmeter
Positive Lead
Ohmmeter
Negative Lead
1
2
3
4
T1, T2, T3 Terminals Terminal labeled (+)
Approximately
4 Ohms
Terminal labeled (-) Infinite Ohms 0L displayed
Terminal labeled (-)
Approximately
4 Ohms
Approximately
0.5 Volts
Terminal labeled (+) Infinite Ohms 0L displayed
Expected
Reading
(Analog Meter)
Expected
Reading
(Digital Meter)
T1, T2, T3 Terminals
T1, T2, T3 Terminals
T1, T2, T3 Terminals
Voltage Model Connector (-) DC bus (+) DC bus
230V 18kW & 22kW 19CN Pin 1 Pin 5
30kW ~ 75kW 26CN Pin 5 Pin 1
460V 18kW ~ 45kW 19CN Pin 1 Pin 5
55kW ~ 160kW 26CN Pin 5 Pin 1
Output Transistor Check
for models 18kw through 160kW
For GPD 506/P5 inverters, refer to the following connectors for a test point for the
(-) DC bus and (+) DC bus.