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Check output for short circuit or ground fault.

The Load is too large, reduce it or use larger Inverter.

Check motor FLA rating compared to Inverter and V/F setting.

Load inertia is too large and the motor is regenerating.

Increase deceleration time (n020 or n022).

Connect an external braking resistor and set n092 to 1.

Check braking resistor and wiring.

Check mains power supply voltage and connections.

Check correct supply for Inverter being used.

Monitor for mains dips or interuptions.

Refer to manual for installation guidelines and recommendations.

Check cooling fan (if fitted).

Check V/F characteristic or reduce Carrier frequency.

Check and reduce the load.

Check V/F characteristic (Vmax and Fmax).

Increase the running speed of the motor.

Increase acceleration/deceleration times.

Check your control terminal wiring.

A multi-functional digital input has been set to 3 or 4.

Run signal must be removed before this can be reset.

Inverter must be stopped when Local/Remote switching

attempted.

Inverter must be stopped when Comms/Remote switching

attempted.

Check your control terminal wiring.

A multi-function digital input has been set to 12 or 13.

Forward and reverse run signal have been applied 

simultaneously.

The values in n050 through n056 for multi-function inputs 1

through 7 have been duplicated - check and correct the values.

Overcurrent

Output current is higher than

250% of Inverter rated current.

Overvoltage

DC bus voltage has exceeded

detection level.

Main circuit undervoltage

DC bus voltage is below 

detection level.

Unit overheated

Temperature inside the inverter

has exceeded 110°C.

Motor overload

The Inverter is protecting the motor

from overload based on an internal

I≈T calculation using n036 setting.

External fault

An external fault has been input.

Sequence error

Sequence input when Inverter

running.

External baseblock

An external baseblock command

has been input.

Sequence error has occurred

Operation error

Parameter setting error.

OC

OV

uV1

OH

OL1

EF*

SER

(flashing)

bb

(flashing)

EF

(flashing)

oP1

(flashing)

Fault Display

Fault name and meaning

Possible cause and remedy

Protective and Diagnostic Functions

Note:

Refer to Section 8-2 for full fault code listings

Improper  procedures  can  result  in  personal  injury  or
equipment damage. Use the Quick Start Guide only if you
are  familiar  with  standard  safety  precautions  common  to
variable  speed  drives.  See  Operation  Manual  I527  for 
further details.

Summary of Contents for SYSDRIVE 3G3MV SERIES

Page 1: ...eu omron com 1 Apsley Way Staples Corner London NW2 7HF Fax number 020 8233 1468 Factory automation technical support 24hr technical helpsheet datasheet faxback service 020 8450 4646 General telephone...

Page 2: ...input common R R S S AC See Note 2 Multi function input 1 Multi function input 2 Multi function input 3 Multi function input 4 Multi function input 5 Multi function input 6 Multi function input 7 Seq...

Page 3: ...utput common Multi function analog output Output Freq Multi function analog output common Photocoupler 8mA at 24 V DC See note 2 3 20mA at 12 V DC 0 to 10 V DC 20W Response frequency 0 to 33 kHz 30 to...

Page 4: ...Recommendations Noise Filter Specifications Y W X d H L D 8 5 Four 5 dia H1 H W1 W H 128 128 128 128 128 128 128 128 128 128 128 128 128 128 260 260 H1 118 118 118 118 118 118 118 118 118 118 118 118...

Page 5: ...dicator is lit Note While the Inverter is in operation the parameters can be only monitored and only some parameters can be changed Any RUN command input is ignored while this indicator is lit Switche...

Page 6: ...ogue output Carrier Frequency DC Injection Braking Current DC Injection Braking at Stop Time DC Injection Braking at Start Time Stall pevention during deceleration 0 Stall prevention enabled 1 Braking...

Page 7: ...ence 3 9 Multi step speed reference 4 10 Inching command 12 External base block NO 13 External base block NC 17 Local Remote selection Multi function Outputs Value Function 0 Fault output 1 During RUN...

Page 8: ...igital input has been set to 12 or 13 Forward and reverse run signal have been applied simultaneously The values in n050 through n056 for multi function inputs 1 through 7 have been duplicated check a...

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