ANDELI AJR3-1500 Instruction Manual - Page 11

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10. Protection operation

10-1 The list for protection operation

When the soft starter occurs abnormity, the protection function runs, it trips immediately,

LED displays alarming name and concerned content, please refer to table 10-1-1.

Table 10-1-1

Panel display

Alarming name

The faults like over-voltage, under-voltage, or overheat, instantaneous

The fault has

stop terminal opening circuit has been removed, then, turn on the lamp,

been removed

press YES key to start the motor.

External instantaneo-

Check if 07 and 10 terminals are connected, and the NC contact are

us-stop

connected with other protective equipment or not.

terminal opens circuit

The starting is too frequently, or the power of motor isn't fitted with

Soft starter is over heat

that of soft starter.

The starting parameter is set improperly, or the load is too heavy, the

Over long starting

power capacity is not enough.

Check the power for 3-phase, make sure that by-pass contactor isn't

Input open-phase

clamped in the closing position, the controllable silicon isn't short

circuit, KG wire is connected well.

Examine output circuit and connecting wire of motor, make sure that

Output open-phase

by-pass contactor isn't clamped in the closing position, the controllable

silicon isn't short circuit, KG wire is connected well.

Three-phase unbalance

Check if input three-phase power and load motor are normal or not.

Check if the load is too heavy or not, or the power of motor isn't fitted

Start over-current

with that of soft starter.

Run over-load protection

Check if the load is too heavy or not, or the P7 parameter is set wrong.

Check input supply voltage, or P9 parameter is set wrong.

Too low supply voltage

Check input supply voltage, or PA parameter is set wrong.

Too high supply voltage

The set parameter is error

Amend the setting or press

Check the load or motor, and the controllable silicon is short circuit

Load short-circuit

or load is too large.

Automatic restart,

Check the external control starting and stopping terminal is connected

the connection is

with 2-wire controlling mode.

error

The connection of

When the external control mode is permitted, the external control

external stopping

stopping terminal is in the open-circuit state, so it can't start the

terminal is error

motor.

Some faults is related, for example, report that

over current or load short-circuit, therefore, when check the fault, please consider compr-

ehensively, to judge the faults accurately.

Notice:

When soft starter starts motor successfully, the indication lamp for running in the middle

of panel lightens, it says that the it runs at the bypass, if the bypass contactor can't absorb,

it will cause the motor stops running, thus, you shall check the bypass contactor and con-

nection.

Operation content and treatment

确认

key to start and recover the factory value.

YES

soft starter is over heat, starting

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11. Fault diagnosis

11-1 Problem and countermeasure

Abnormity

Content checked

The wiring

Weather the power wire

is connected to input the

terminal or not.

(1L1, 3L2, 5L3)

The motor

Weather bypass contactor

can't run

works or not, and 01, 02

terminal has no signal or not.

Weather the keyboard is

abnormal to display or not.

Weather the motor is locked

or not, (Weather the load is

too heavy or not).

Weather the keyboard has

The

displayed or not.

keyboard

Weather 07, 10 terminals

can't start

open circuit or not, PD

setting is correct or not.

External

Weather PD is set at ext-

control

ernal controlling or not.

can't start

Although

the motor

Weather the load is too

rotates, the

heavy or not.

speed is not

changed.

The load is too heavy, the

The starting

code hasn't been set, wea-

time is too

ther the spec of motor is

long.

correct or not.

The load is light

The starting

The starting time is too

time is short

short

It stops

suddenly

Check the external input

during

terminal

running.

Countermeasure

Please give the correct wiring

Switch on power

Cut off the power, then switch on

Check the connection situation of bypass contactor.

Check the connection situation of coil of bypass

contactor.

Please read P17 Protection operation list

Clear away the locking of motor (Reduce the load)

No: Weather the power opens phase or not, check

the inlet power.

Yes: 10 and 07, 08 open circuit, check external con-

nection of terminal, please set the PD code correctly.

Terminal 10 and 07, 08 opens circuit, check the ext-

ernal connection of terminal, please set the FD code

correctly, check if it is in the external control poison

or not

Please reduce the load

Add the initial voltage or starting current

Please reduce the load

Please set P0 (Initial voltage), P6 (Starting current),

P1(Starting time)

Please check the specification and nameplate

When the load is light, the starting time is often less

than setting value, the starting is normal, set the sta-

ring time of P1( the current mode is unavailable).

Check connection of 07, 10 terminals fails or not.

If the external protector is equipped with, please

check NC contact operates or not

Check the connection of external stop button fails

or not.

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