E6581090

 

(Continued)

 

 

 

 

 

 

 

Error

 

Alarm

Problem

 

Possible causes

 

Remedies

 

 

 

code

 

code

 

 

 

 

 

 

 

 

 

 

 

 

*

 

0008

Input phase failure

A phase failure occurred in the

Check the main circuit input line

 

GRJ

 

 

 

 

input line of the main circuit.

 

for phase failure.

 

 

 

 

 

The inverter may trip because of

Enable H (input phase

 

 

 

 

 

 

GRJ if switching between

 

failure detection). Set the

 

 

 

 

 

 

acceleration and deceleration is

 

H parameter to 0.

 

 

 

 

 

 

done in succession at intervals

 

 

 

 

 

 

 

 

 

 

of less than 1 second.

 

 

 

 

 

QJ

 

0010

Overheat

The cooling fan does not rotate.

Restart the operation by

 

 

 

 

 

The ambient temperature is too

 

resetting the inverter after it has

 

 

 

 

 

 

high.

 

cooled down enough.

 

 

 

 

 

 

 

The fan requires replacement if

 

 

 

 

 

 

 

 

it does not rotate during

 

 

 

 

 

 

 

 

operation.

 

 

 

 

 

 

 

Secure sufficient space around

 

 

 

 

 

The vent is blocked up.

 

the inverter.

 

 

 

 

 

A heat generating device is

Do not place any heat-

 

 

 

 

 

 

installed close to the inverter.

 

generating device near the

 

 

 

 

 

The thermistor in the unit is

 

inverter.

 

 

 

 

 

 

broken.

Make a service call.

 

WR

 

001E

Undervoltage trip

The input voltage (in the main

Check the input voltage.

 

 

 

 

(main circuit)

 

circuit) is too low.

Enable H (undervoltage

 

 

 

 

 

 

 

 

trip selection).

 

 

 

 

 

 

 

To cope with a momentary stop

 

 

 

 

 

 

 

 

due to undervoltage, enable

 

 

 

 

 

 

 

 

H (ride-through control)

 

 

 

 

 

 

 

 

and H (auto-restart).

 

GH

 

0022

Ground fault trip

A ground fault occurs in the

Check the cable and the motor

 

 

 

 

Arm overcurrent

 

output cable or the motor.

 

for ground faults.

 

 

 

 

 

A main circuit element is

Make a service call.

 

 

 

 

 

 

defective.

 

 

 

 

 

G

 

0011

Emergency stop

During automatic operation or

Reset the inverter.

 

 

 

 

 

 

remote operation, a stop

 

 

 

 

 

 

 

 

 

 

command is entered from the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

 

 

 

 

 

operation panel or a remote

 

 

 

 

 

 

 

 

 

input device.

 

 

 

 

 

 

 

 

 

 

 

 

GTT

 

0015

Main unit RAM fault

The control RAM is defective.

Make a service call.

 

GTT

 

0016

Main unit ROM fault

The control ROM is defective.

Make a service call.

 

GTT

 

0017

CPU fault trip

The control CPU is defective.

Make a service call.

 

GTT

 

0018

Remote control

An error arises during remote

Check the remote control

 

 

 

 

error

 

operation.

 

device, cables, etc.

 

GTT

 

001A

Current defector

The current detector is defective.

Make a service call.

 

 

 

 

fault

 

 

 

 

 

 

 

GGR

 

0012

EEPROM fault 1

A data writing error occurs.

Turn off the inverter, then turn it

 

 

 

 

 

 

 

 

on again. If it does not recover

 

 

 

 

 

 

 

 

from the error, make a service

 

 

 

 

 

 

 

 

call.

 

GGR

 

0013

EEPROM fault 2

Power supply is cut off during

Turn the power off temporarily

 

 

 

 

 

 

V[R operation and data

 

and turn it back on, and then try

 

 

 

 

 

 

writing is aborted.

 

V[R operation again.

 

GGR

 

0014

EEPROM fault 3

A data writing error occurs.

Turn off the inverter, then turn it

 

 

 

 

 

 

 

 

on again. If it does not recover

 

 

 

 

 

 

 

 

from the error, make a service

 

 

 

 

 

 

 

 

call.

 

*

 

0032

Break in analog

The signal input via VI/S3 is

Check the cables for breaks

 

G

 

 

signal cable

 

below the analog signal

 

and change the setting of

 

 

 

 

 

 

detection level set with H.

 

H if no breaks are found.

 

(Continued overleaf)

M-3

Page 131
Image 131
Toshiba VF-nC1 instruction manual Grj