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APP - 22
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PPENDICES
Table 1.12 Servo error (2000 to 2899) list
Error cause Error
code
Name Description
Error check
Error
processing
Corrective action
• Power supply voltage is low.
MR-J3-B: 160VAC or less
MR-J3-B1: 83 VAC or less
MR-J3-B4: 280 VAC or less
• There was an instantaneous control
power failure of 60[ms] or longer.
• Shortage of power supply capacity
caused the power supply voltage to drop
at start, etc.
• The bus voltage dropped to the following
value or less.
MR-J3-B: 200VDC
MR-J3-B1: 158VDC
MR-J3-B4: 380VDC
• Review the power supply.
2010 Undervoltage
• Faulty parts in the servo amplifier
[Checking method]
Servo error [2010] occurs if power is
switched on after disconnection of all
cables but the control circuit power
supply cables.
Any time during
operation
• Replace the servo amplifier.
2012
Memory error 1
(RAM)
• Faulty parts in the servo amplifier
(RAM memory error)
[Checking method]
Servo error [2012] occurs if power is
switched on after disconnection of all
cables but the control circuit power
supply cables.
• Servo amplifier
power on.
• Multiple CPU
system power on.
• Replace the servo amplifier.
• Faulty parts in the servo amplifier
(Printed board fault)
[Checking method]
Servo error [2013] occurs if power is
switched on after disconnection of all
cables but the control circuit power
supply cables.
• Replace the servo amplifier.
2013 Clock error
• Faulty the controller
(Clock error transmitted from the
controller)
[Checking method]
Servo error [2013] occurs if Motion CPU
is used in the Multiple CPU system.
• Replace the Motion CPU.
2014 CPU Watchdog
• Faulty hardware of servo amplifier
Any time during
operation
• Faulty parts in the servo amplifier
(EEP-ROM fault)
[Checking method]
Servo error [2015] occurs if power is
switched on after disconnection of all
cables but the control circuit power
supply cables.
2015
Memory error 2
(EEP-ROM)
• The number of write times to EEP-ROM
exceeded 100,000.
• Servo amplifier
power on.
• Multiple CPU
system power on.
Immediate
stop
• Replace the servo amplifier.