6.5 Faults
488 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Code Name Causes Possible Solutions
oFA38 Control Reference 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
oFA39 Drive Receive Time Over 3
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
oFA40 CtrlResSel 1Err
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
oFA41 Drive Receive Time Over 4
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
oFA42 CtrlResSel 2Err
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
oFA43 Drive Receive Time Over 5
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
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].
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