YASKAWA CR700

Troubleshooting
6
6.4 Fault
YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual 355
Code Name Causes Possible Solutions
oFC17 Option Receive Abort Error
A fault occurred in the option card. 1. De-energize the drive.
2. Make sure that the option card is correctly connected to the
connector.
3. If the problem continues, replace the option card.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
oFC50
Option Card Error Occurred at
Option Port (CN5-C)
A fault occurred in the option. Refer to the manual for the PG-RT3 option card.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
oFC51
Option Card Error Occurred at
Option Port (CN5-C)
A fault occurred in the option. Refer to the manual for the PG-RT3 option card.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
oFC52
Option Card Error Occurred at
Option Port (CN5-C)
A fault occurred in the option. Refer to the manual for the PG-RT3 option card.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
oFC53
Option Card Error Occurred at
Option Port (CN5-C)
A fault occurred in the option. Refer to the manual for the PG-RT3 option card.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
oFC54
Option Card Error Occurred at
Option Port (CN5-C)
A fault occurred in the option. Refer to the manual for the PG-RT3 option card.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
oFC55 Resolver Error
A fault occurred in the option card. Refer to the manual for the PG-RT3 or PG-F3 option card.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
oH Heatsink Overheat
The ambient temperature is high and the heatsink
temperature of the drive is more than the value set
in L8-02 [Overheat Alarm Level].
• Measure the ambient temperature.
• Increase the airflow in the control panel.
• Install a cooling device (cooling fan or air conditioner) to
lower the ambient temperature.
• Remove objects near the drive that are producing too much
heat.
The load is too heavy. • Measure the output current.
• Decrease the load.
• Decrease the value set in C6-02 [Carrier Frequency
Selection].
The internal cooling fan of the drive stopped. 1. Use the procedures in this manual to replace the cooling fan.
2. Set o4-03 = 0 [Fan Operation Time Setting = 0 h].
Note:
• The drive detects this fault if the heatsink temperature of the drive is more than the value set in L8-02.
• Do a Fault Reset to clear the fault.
• If the drive detects this fault, it will operate the motor as specified by the Stopping Method set in L8-03 [Overheat Pre-Alarm Selection].