YASKAWA GA800 Series, Maintenance & Troubleshooting

Page: 104 / 566

2.4 Fault
104 YASKAWA TOEPYAIGA8001B GA800 Drive Maintenance & Troubleshooting
Code Name Causes Possible Solutions
oFC51 EncOpAnlgCrctErr
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
oFC52 Enc Com Timeout 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
oFC53 Enc Com Data Flt
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
oFC54 Encoder 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
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] .
Code Name Causes Possible Solutions
oH1 Heatsink Overheat
The ambient temperature is high and the heatsink
temperature of the drive is more than the
oH1
detection 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] .
Note:
• The drive detects this fault if the heatsink temperature of the drive is more than the oH1 detection level. o2-04 [Drive Model (KVA) Selection] determines the oH1 detection level.
• Do a Fault Reset to clear the fault.
• L5-08 [Fault Reset Enable Select Grp2] disables the Auto Restart function.
Code Name Causes Possible Solutions
oH3 Motor Overheat (PTC Input)
The thermistor wiring that detects motor temperature
is defective. Correct wiring errors.
A fault occurred on the machine.
Example: The machine is locked.
Examine the machine and remove the cause of the fault