Commissioning Manual
01/2017
501
1000 pulses when the
drive is in "S-2", "S-3",
or "S-4" state
There is shaft move when the drive is in "S-2",
"S-3", or "S-4" state
When P38 = 1, check whether the
motor shaft moves more than 1000
pulses when the drive is in "S-2",
A41 This alarm may occur
when the 24 V DC sup-
Replace the drive with a new one
The encoder fails Replace the drive with a new one
This alarm may occur
when the motor is run-
Replace the drive with a new one
The encoder cable is badly connected Replace the drive with a new one
This alarm may occur
when the motor starts
•
Terminals U, V and W on the motor are
wrongly connected
• The encoder is wrongly wired
Check the wiring
A42 Surrounding air temperature is too high Check the surrounding air temper-
Replace the drive with a new one
A43 This alarm may occur
when the 24 V DC sup-
Circuit board fails Replace the drive with a new one
The motor does not
rotate or reversely ro-
tates if the command
pulse is input after DC-
link and mains line are
•
Terminals U, V and W on the motor is
wrongly connected
•
Encoder cable is wrongly connected
Check the wiring
Encoder fails Replace the motor with a new one
This alarm may occur
when the motor is run-
ning
The maximumly-permitted following error is
Set a wider value range for the
detection of following error (P34)
The position loop gain is too small
No enough torque
Check the limit value of current
Use a drive and motor with bigger
Low speed Check the maximum speed limita-
tion (refer to parameter P26)
Command pulse frequency is too high
• Lower the frequency
• Check whether P36 has the
A44 This alarm may occur
when the 24 V DC sup-
Circuit board fails Replace the drive with a new one
This alarm may occur
when the DC link is
connected
The rated torque is exceeded
• Check the load
• Lower the start/Stop frequency
• Use drive and motor with more
The brake is not open Check whether the brake is open
The motor is not stable
• Modify the gain value
The encoder is wrongly wired
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