Toshiba P9 - Page 272

262 P9 ASD Installation and Operation Manual
E-22
Logic Input Voltage
Error
• Incorrect voltage is applied to the discrete input terminals.
E-23
Optional Expansion
Input Terminal Board 1
Error
• Optional Expansion Input Terminal Board 1 is defective.
E-24
Optional Expansion
Input Terminal Board 2
Error
• Optional Expansion Input Terminal Board 2 is defective.
E-25
Stop Positioning
Retention Error
• Load movement while stopped.
• F381 setting is too low.
• Encoder malfunction.
• Creep speed is too high.
E-26 CPU2 Fault • CPU malfunction.
• Control board malfunction.
E-50/E-51 Sink/Source Setting
Error
• Improperly positioned Sink/Source jumper on the Terminal board or on an
option device (see J100 at the Terminal PCB of the ASD).
• Sink/Source configuration is incorrect.
EEP1 EEPROM Fault • EEPROM write malfunction.
• Make a service call.
EEP2/EEP3 EEPROM Read Error • EEPROM read malfunction.
• Make a service call.
EF1/EF2 (Earth) Ground Fault • Ground fault at the motor.
• Ground fault at the output of the ASD.
• Current leakage to Earth Ground.
EPHI Input Phase Failure • 3-phase input to the ASD is low or missing at the R, S, or T input terminals.
EPHO Output Phase Failure • 3-phase output from the ASD is low or missing at the U, V, or W output
terminals or at the input to the motor.
ERR2 RAM Fault • Internal RAM malfunction.
• Make a service call.
ERR3 ROM Fault • Internal ROM malfunction.
• Make a service call.
ERR4 CPU Fault • CPU malfunction.
• Control board malfunction.
• Make a service call.
Note: The event that caused the trip(s) must be corrected or must decrease to less than the threshold value
required to cause the trip to allow for a Reset to be recognized. In the event of multiple active trips,
the trip displayed will remain until all faults are corrected and cleared.
Table 15. P9 ASD Fault Listing. (Continued)
LED Screen LCD Screen Possible Causes/Troubleshooting