Fault codes, Major fault – Yaskawa GPD 506/P5 Section Three User Manual
Page 10
PP.P5G5.03.Troubleshoot
Page 10
Rev. 06/11/2003
Inverter input power supply has an open phase.
Large imbalance of input voltage.
PF
Input Pha Loss
sp
1
Inverter output has an open phase.
LF
Output Pha Loss
sp
o
Possible Cause(s):
Open phase on the input of the inverter. Loose terminal screws at
terminals L1, L2, or L3. Program parameters set incorrectly (n083 for 506/P5, L8-05 for 515/G5)
Corrective Action:
Tighten the terminal screws, check the input voltage, verify the program
settings.
Possible Cause(s):
Open phase on the output of the inverter. Loose terminal screws at
terminals T1, T2, or T3. Program parameters set incorrectly.
Corrective Action:
Tighten the terminal screws, check the output voltage, verify the
program settings.
Fault Codes
Major Fault
- Motor coasts to a stop, the fault is displayed on the digital
operator, and the fault relay is activated.
505
506
√
515
√
506
515
√
505