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6 Troubleshooting
MITSUBISHI CNC
6-3-4 Parameter numbers during initial parameter error
If an initial parameter error (alarm 37) occurs, the alarm and the No. of the parameter set exceeding the
setting range will appear on the NC Diagnosis screen as shown below.
S02 Initial parameter error ○○○○□
○○○○ : Error parameter No.
□ : Axis name
If an error No. larger than the servo parameter No. is displayed for the servo drive unit, the alarm is occurring
for several related parameters. Refer to the following table, and correctly set the parameters.
Error parameter No. Details Related parameters
2301
The following settings are overflowing.
[1] Electronic gears
[2] Position loop gain
[3] Speed feedback
SV001, SV002 SV003,
SV018
SV019, SV020
SV049
2302
The absolute position parameter is valid when a high-speed se-
rial incremental detector (OSE104 or OSE105) is connected.
[1] Replace the detector to the one with absolute position speci-
fication.
SV017, SV025
2303
No servo option is found.
[1] The closed loop (including the ball screw end)
[2] Dual feedback control function
SV025
SV017
2304
No servo option is found.
[1] SHG control function
SV057
SV058
2305
No servo option is found.
[1] Adaptive filtering function
SV027
13001 to 13256
Parameter error
The parameter value is outside the tolerable range.
The alarm No. is the No. of the spindle parameter where an error
occurred.
Check the indicated spin-
dle parameter.