YASKAWA GA700 Technical Manual page 286

6.4 Fault
Code Name
oFC03 to Option Card Error Occurred
oFC11 at Option Port CN5-C
Note:
Perform Fault Reset to clear the fault.
Code Name
oFC12 to Option Card Error Occurred
oFC17 at Option Port CN5-C
Note:
Perform Fault Reset to clear the fault.
Code Name
oFC50 to Option card error occurred
oFC55 at Option Port CN5-C
Note:
Perform Fault Reset to clear the fault.
Code Name
oH Overheat 1 (Heatsink
Overheat)
Note:
• Detected if the heatsink temperature of the drive exceeds the value set in L8-02 [Overheat Alarm Level].
• Perform Fault Reset to clear the fault.
• If detected, the drive will operate the motor according to the stop method set in L8-03 [Overheat Pre-Alarm Ope Selection].
Code Name
oH1 Overheat 1 (Heatsink
Overheat)
Note:
• Detected if the heatsink temperature of the drive exceeds the oH1 detection level. The oH1 detection level is determined by o2-04
[Drive Model Selection].
• Perform Fault Reset to clear the fault.
Code Name
oH3 Motor Overheat Alarm
(PTC Input)
286
Cause
A fault occurred in the option card.
Cause
A fault occurred in the option card.
Cause
A fault occurred in the option card.
Cause
The ambient temperature is too high.
The load is too heavy.
The internal cooling fan of the drive is
stopped.
Cause
The ambient temperature is too high.
The load is too heavy.
Cause
The wiring with the thermistor used to
detect motor temperature is faulty.
A fault occurred on the machine side.
Example: The machine is locked.
YASKAWA ELECTRIC SIEP C710617 01B YASKAWA AC Drive GA700 Technical Manual
Possible Solution
1. De-energize the drive.
2. Check whether the option card is connected
securely to the connector.
3. If the problem continues, replace the option
card.
Possible Solution
1. De-energize the drive.
2. Check whether the option card is connected
securely to the connector.
3. If the problem continues, replace the option
card.
Possible Solution
Refer to the manual for the PG-RT3 or PG-F3
option card.
Possible Solution
• Check the ambient temperature.
• Improve the ventilation within the control panel.
• Install a cooling device (cooling fan or air
conditioner) to lower the ambient temperature.
• Remove anything near the drive that might be
producing excessive heat.
• Measure the output current.
• Reduce the load.
• Lower the value set in C6-02 [Carrier
Frequency Selection].
1. Follow the description in this manual to replace
cooling fan.
2. Set o4-03 = 0 [CoolingFan OperationTime
Setting = 0 h].
Possible Solution
• Check the ambient temperature.
• Improve the ventilation within the control panel.
• Install a cooling device (cooling fan or air
conditioner) to lower the ambient temperature.
• Remove anything near the drive that might be
producing excessive heat.
• Measure the output current.
• Reduce the load.
• Lower the value set in C6-02 [Carrier
Frequency Selection].
Possible Solution
Correct any wiring errors.
Check the condition of the machine and remove the
cause of the fault.