102
Fault Causes
Check
Solution
Drive does not match the
motor
1
：
Check if the motor matches the drive in the
voltage class
2
：
Check if the motor code set in the drive is
consistent with the motor nameplate
1:Choose correct drive for the and
motor
2
：
Input the correct motor code
AL01C
：
Initial Point
Return Failure
Fault Causes
Check
Solution
PB-00
parameter
setting
value is too small
Check if PB-00 setting value is appropriate
Increase the value of PB-00
External detector or limit
switch fail
Check the external detector, limit switches
and wires
Exclude fault
AL01E
：
The Offset Electrical Angle Autotuning Failure
Fault Causes
Check
Solution
Motor phase sequence error Check the phase sequence of the motor
Wiring as per U, V, W phase
sequence
Encoder cable wiring error
Check if the encoder cable is wired
incorrectly
Wiring according to correct
encoder definition wiring
Number of motor pole pairs
is wrong
Check if the number of motor poles pairs is
set incorrectly
Set motor pole pairs according to
motor specification
9.2 Alarm Diagnose and Treatment Measures
In case the digital operator reads error ‗ALE‘, but the motor does not stop running, it means that there is problem with the system. Please check
the cause immediately, here below is the troubleshooting.
ALE02
：
Drive Overheating
Alarm
Causes
Check
Solution
Ambient temperature is too
high
Check if the temperature and humidity
are in the permitted range
Improved
servo
drive
cooling
conditions,
reduce
the
ambient
temperature
Drive cooling fan damage
Check the cooling fan of the drive is
running during operation
Replace the damaged fan
Servo drive or the the inlet
and outlet of the fan is
blocked
1
：
Check if the drive installation meets
the requirements
2
：
Check if the heat sink of the drive is
blocked
1
：
Drive installation refers to Chapter
II
2
：
Clean up the blockage
The servo drive fails
Power off and restart, if the fault still
exists, replace the servo drive
ALE03
：
Motor Overload
Alarm
Causes
Check
Solution
Motor load reaches at the
overload warning threshold
value set in P8-13
1
：
Refer to AL00D and AL00E
2
：
The setting value of P8-13 is too small
1
：
Refer to AL00D and AL00E
2
：
Increase the setting value of P8-13
appropriately
ALE04
：
Drive Overload
Alarm
Causes
Check
Solution
Drive load reaches at the
overload warning threshold
value set in P8-12
1
：
Refer to AL00D and AL00E
2
：
The setting value of P8-12 is too small
1
：
Refer to AL00D and AL00E
2
：
Increase the setting value of P8-12
appropriately
ALE05
：
Excessive Position Deviation
Alarm
Causes
Check
Solution
Alarm threshold value of
position tracking deviation
is too small
check if the parameters of P1-36 are
appropriate
Increase the setting value of P1-36
Pulse command frequency is
higher than the specification
Detect the frequency of pulse command Adjust the pulse frequency so that it is
not higher than specification
Setting gain value is too small check the setting value is appropriate
Set gain value correctly
