LNS SERVO S3 T, Instruction Manual

Page: 114 / 120

112 CHAPTER 8: MALFUNCTIONS/MAINTENANCE
QUICK LOAD SERVO S3T
1.2. Servo amplifier alarms
Please read the safety instructions provided at the beginning of this manual before
handling the following devices.
Particular attention should be given to the handling of electrical elements because of risks
of electrocution. In case of possible electrical malfunctions, it is advisable to contact LNS
or their local representative.
Displ
ay
Alarm code (note 2)
Error name
Deactivation of the alarm
Pin
CN1B
-19
Pin
CN1A
-18
Pin
CN1A
-19
Power
ON->
OFF
Press
"SET" on
the control
unit
Alarm
reset
signal
Al
a
rm
s
AL.10 0 1 0 Electrical voltage too low
  
AL.12 0 0 0 Memory 1 error

- -
AL.13 0 0 0 Timer error

- -
AL.15 0 0 0 Memory 2 error

- -
AL.16 1 1 0 Encoder 1 error

- -
AL.17 0 0 0 Circuit error

- -
AL.19 0 0 0 Memory 3 error

- -
AL.1A 1 1 0 Motor combination error

- -
AL.20 1 1 0 Encoder 2 error

- -
AL.24 1 0 0 Main circuit error

- -
AL.25 1 1 0 Complete position clearance

- -
AL.30 0 0 1 Regeneration error
  
AL.31 1 0 1 Overspeed
  
AL.32 1 0 0 Electrical current too high
  
AL.33 0 0 1 Electrical voltage too high

- -
AL.35 1 0 1 Command pulsation frequency
error
  
AL.37 0 0 0 Parameter error

- -
AL.45 0 1 1 Main circuit overheating
  
AL.46 0 1 1 Servo motor overheating
  
AL.50 0 1 1 Overload 1

(note 1)

(note 1)

(note 1)
AL.51 0 1 1 Overload 2

(note 1)

(note 1)

(note 1)
AL.52 1 0 1 Excessive error
  
AL.8A 0 0 0 Serial comm. time-out error
  
AL.8E 0 0 0 Serial communication error
  
8888
8 0 0 0 Watchdog

- -
W
ar
ni
n
gs
AL.90 Return to start pos. incomplete
The removal of the cause
automatically deactivates the warning.
AL.92 "Open battery cable" warning
AL.96 "Start pos. setting" warning
AL.98 "Software limit" warning
AL.9F "Battery" warning
AL.E0 "Excessive regen." warning
AL.E1 "Overload" warning
AL.E3 "Complete pos. count" warning
AL.E6 "Servo emergency stop" warning
AL.E9 " Low elec. voltage" warning
Note 1: Deactivate the alarm 30 minutes after having deleted the cause to allow time for cooling.
Note 2: 0 = off / 1 = on