E6581158
M-1
13
13. Before making a service call
- Trip information and remedies
13.1
Trip causes/warnings and remedies
When a problem arises, diagnose it in accordance with the following table.
If it is found that replacement of parts is required or the problem cannot be solved by any remedy described in the
table, contact your Toshiba dealer.
[Trip information]
Error code
Failure code
Problem
Possible causes
Remedies
QE
QER
0001
0025
Overcurrent during
acceleration
Overcurrent flowing
in element during
acceleration
•
The acceleration time
CEE
is too short.
•
The V/F setting is improper.
•
A restart signal is imput to the rotating
motor after a momentary stop, etc.
•
A special motor (e.g. motor with a small
impedance) is used.
•
Increase the acceleration time
CEE
.
•
Check the V/F parameter.
•
Use
H
(auto-restart) and
H
(ride-through control).
•
Increase the carrier frequency
H
.
•
Set the carrier frequency control mode
selection parameter
H
to 1 or 3
(carrier frequency decreased automati-
cally).
QE
QER
0002
0026
Overcurrent during
deceleration
Overcurrent flowing
in element during
decelearion
•
The deceleration time
FGE
is too short.
•
Increase the deceleration time
FGE
.
•
Set the carrier frequency control mode
selection parameter
H
to 1 or 3
(carrier frequency decreased automati-
cally).
QE
QER
0003
0027
Overcurrent during
constant speed op-
eration
Overcurrent flowing
in element during
operation
•
The load fluctuates abruptly.
•
The load is in an abnormal condition.
•
Reduce the load fluctuation.
•
Check the load (operated machine).
•
Set the carrier frequency control mode
selection parameter
H
to 1 or 3
(carrier frequency decreased automati-
cally).
ER
ER
ҏ
ER
0025
0026
0027
Ground fault trip
Arm overcurrent at
start-up
(for 11 and 15 kW
models only)
•
A current leaked from an output cable or
the motor to ground.
•
A main circuit elements is defective.
•
Check cables, connectors, and so on for
ground faults.
•
Make a service call.
QEN
0004
Overcurrent (An
overcurrent on the
load side at start-up)
•
The insulation of the output main circuit or
motor is defective.
•
The motor has too small impedance.
•
A 11 or 15 kW model was started, al-
though a current is leaked from an output
cable or the motor to ground.
•
Check the cables and wires for defective
insulation.
•
When using a 11 or 15 kW model, check
cables, connectors, and so on for ground
faults.
QEC
0005
Arm overcurrent at
start-up
•
A main circuit elements is defective.
•
Make a service call.
*
GRJ
0008
Input phase failure
•
A phase failure occured in the input line of
the main circuit.
•
The capacitor in the main circuit lacks ca-
pacitance.
•
Check the main circuit input line for phase
failure.
•
Enable
H
(input phase failure de-
tection).
•
Check the capacitor in the main circuit for
exhaustion.
*
GRJQ
0009
Output phase failure
•
A phase failure occurred in the output line
of the main circuit.
•
Check the main circuit output line, motor,
etc. for phase failure.
•
Enable
H
(Output phase failure
detection).
*
You can select a trip ON/OFF by parameters.
(Continued overleaf)
