APPENDIX
A-29
- SV Series User’s Manual -
A-4 List of Alarm/Warning Messages
■List of Alarm Messages
Alarm code
Alarm
*1
(words in () dislayed
in Access Window)
Alarm description and Correction
Stop
method
*2
Enable type
*3
ML-II PLS
020
*Parameter error 0
(*Parameter Error 0)
An error occurs to internal parameters of servo amplifier.
(1) Instantaneous voltage drop of power supply of control
circuit occurs or the power supply of control circuit is cut off
during writing parameter. Please check the voltage of
power supply of control circuit and execute "servo
parameter initialization".
(2) Misoperation occurs due to noise. Please keep away from
noise source (such as electromagnetic switches) when in
use.
Please contact the nearest sales agent of our company when
the founded problem can't be solved even if the power supply
of control circuit is ON again.
G1
○○
021
*Parameter error 1
(*Parameter Error 1)
An error occurs to internal parameters of servo amplifier.
Please contact the nearest sales agent of our company when
the problem can't be solved even if the power supply of control
circuit is ON again.
G1
○○
022
*Parameter error 2
(*Parameter Error 2)
An error occurs to internal parameters of servo amplifier.
Instantaneous voltage drop of power supply of control circuit
occurs or the power supply of control circuit is cut off during
writing parameter. Please check the voltage of power supply
of control circuit and execute "servo parameter initialization".
Please contact the nearest sales agent of our company when
the founded problem can't be solved even if the power supply
of control circuit is ON again.
G1
○○
030
Main circuit error
(Main
Circuit Error)
An error occurs to power supply of main circuit.
Please contact the nearest sales agent of our company when
the problem can't be solved even if the power supply of control
circuit is ON again.
G1
○○
040
*Parameter setting error 0
(*Parameter SettingErr 0)
Setting range error occurs for parameters.
(1)Please check whether the condition of 0.001<= (electric
gear (numerator) "POS_02" /electric gear (denominator)
"POS_03") <= 4000 is satisfied.
(2) It is possible that the same function has been assigned to
multiple inputs, or EXT1-3 has been assigned to
somewhere outside IN4-6 when ML-Ⅱ is used.Please
check the assignment setting of input signals.
(3)Absolute position system "SYS_02" is set to ABS while
incremental servo motor is used. Please check the type and
setting of encoder.
(4) The changed parameter is out of setting range. Please
check the setting range of changed parameter.
(5) Mismatching between servo amplifier and servo motor.
Please check servo amplifier/servo motor model.
Please contact the nearest sales agent of our company when
the founded problem can't be solved even if the power supply
of control circuit is ON again.
G1
○○
041
*Encoder pulse setting
error (*Encoder Pls
Setting Err)
Set value error of output pulse of encoder "SYS_03" occurs.
Please check whether the setting range and conditions are
satisfied.
G1
○○
042
*Parameter setting error 1
(*Parameter SettingErr 1)
Parameter setting is wrong. Please check whether the
following conditions are satisfied.
(1) For pattern operation
A) Pattern operation speed [OTH_07] [min
-1
]*(2
20
)/
(6*(10
5
)) <= Electric gear (numerator) [POS_02]/
Electric gear (denominator) [POS_03]
B) Max motor speed [min
-1
] * (2
20
)>3.66*(10
12
)/
(Electric gear (numerator) [POS_02]/
Electric gear (denominator) [POS_03])
(2) For calculation of moment of inertia ratio or gain search
PRO (w/o higher-level command)
A) (The max. speed suitable for calculation of moment of
inertia ratio or gain search PRO (w/o higher-level
command) [min
-1
] *(2
20
/ (6*(10
5
)) <= (electric gear
(numerator) [POS_02] / electric gear (denominator)
[POS_03])
B) Max. motor speed [min
-1
]*(2
20
) <3.66*(10
12
)/
(electric gear (numerator) [POS_02] /
electric gear (denominator) [POS_03])
G1
○○
050
Motor combination error 2
(Motor Combi Error 2)
Mismatching between servo amplifier and servo motor. Please
check servo amplifier/servo motor.
Please contact the nearest sales agent of our company when
the founded problem can't be solved even if the power supply
of control circuit is ON again.
G1
○○
*1 For alarm marked with "*",control circuit power needs to be restarted after setup.
*2 For details about stop method, see "5-2 Common Function Setting", Page 5-4.
*3 ML-II is the short name for MECHATROLINK-II and PLS the pulse/analog input type.
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