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10 Troubleshooting
Multi-function Compact Inverter 3G3MX2-V1 User’s Manual (I585-E1)
10-
2 T
rou
blesh
oo
tin
g
10
The parameter set-
tings cannot be
changed.
The inverter is in operation.
Stop the inverter. Then, set the parameters
again after the motor stops with deceleration.
Setting b031 to 10 (Data can be changed dur-
ing RUN) enables parameter settings to be
changed even when the inverter operates.
−
The soft lock function is
enabled.
Disable the Soft Lock Selection (b031).
P. 7-54
The motor rotates in
reverse.
The phase sequence of wiring
to the motor is incorrect. (The
motor is not designed to rotate
forward in the phase sequence:
U/T1, V/T2, W/T3.)
Reverse the order of two wires connected to
U/T1, V/T2, W/T3, or change the phase
sequence to match that of the motor.
P. 2-11
The 3-wire input function is
enabled, but the forward/
reverse logic is incorrect.
Check the logic of the F/R (3-wire forward/
reverse) signal allocated to a multi-function
input terminal (C001 to C007 = 22).
P. 5-54
The motor rotates in
reverse when the
RUN key is
pressed.
The RUN Direction Selection
(F004) setting is incorrect.
Set the RUN Direction Selection (F004) cor-
rectly.
P. 5-22
The inverter trips
with an Overcur-
rent protection
(E03) during opera-
tion.
The acceleration time is set too
short.
Increase the value set in the 1st/2nd Acceler-
ation Time 1/2 (F002/F202/A092/A292).
P. 5-33
P. 5-37
Use the acceleration/deceleration stop func-
tion to change the operation pattern to stop
accelerating temporarily.
P. 7-37
The load is too heavy.
Reduce the load.
−
Use the torque boost function to adjust the
torque.
P. 5-60
Set the 1st/2nd Control Method (A044/A244)
to 03 (Sensorless vector control) and perform
tuning.
P. 5-9
P. 6-3
The 1st Overload Limit Selec-
tion (b021)/1st Overload Limit
Selection 2 (b024) is set to 00
(Disabled).
Enable the 1st Overload Limit Selection
(b021)/1st Overload Limit Selection 2 (b024).
P. 7-76
If an overcurrent trip occurs during operation although the overload limit func-
tion is enabled:
The 1st Overload Limit Level
(b022)/1st Overload Limit Level
2 (b025) value is too high.
Decrease the 1st Overload Limit Level
(b022)/1st Overload Limit Level 2 (b025)
value.
P. 7-76
The 2nd Overload Limit Param-
eter/1st Overload Limit Param-
eter 2 (b023/b026) value is too
small.
Increase the 2nd Overload Limit Parame-
ter/1st Overload Limit Parameter 2
(b023/b026) value.
P. 7-76
The STOP/RESET
key does not func-
tion.
The STOP/RESET key is dis-
abled.
Set the STOP Key Selection (b087) correctly.
P. 5-42
The Overvoltage Suppression
Function Selection During
Deceleration (b130) is enabled.
Set the Overvoltage Suppression Function
Selection During Deceleration (b130) to 00
(Disabled), or adjust the level and other set-
tings of the function.
P. 5-63
The Deceleration Stop Selec-
tion on Power Interruption
(b050) is enabled.
Set the Deceleration Stop Selection on Power
Interruption (b050) to 00 (Disabled), or adjust
the level and other settings of the function.
P. 7-63
Symptom
Possible cause
Remedy
Reference
page
Summary of Contents for SYSDRIVE MX2 SERIES
Page 1: ...Multi function Compact Inverter MX2 Series Type V1 User s Manual I585 E1 01 3G3MX2 A V1 ...
Page 32: ...CONTENTS 29 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 108: ...2 Design 2 48 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 176: ...4 Parameter List 4 42 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 538: ...10 Troubleshooting 10 22 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 598: ...12 Options 12 50 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 614: ...Appendices A 16 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 615: ...I 1 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 I Index ...