NIetz Electric Co.,Ltd
Soft starter SSN/SSA serie User Manual
28
12.Fault Protection and Display
There are 11 protections. When the fault is detected, soft starter stop immediately, the fault
code displays on the keyboard. User can find the solution by check the explaination to this fault
code. After the fault is solved, pres the STOP key(keep 3 seconds) or connect terminal RET and COM
to reset and return ready state。For detail see table 12-1
12.1 Fault displaying and Solution
Table 12-1
Code
explaination
Fault reason
Solution
Er8100 Parameter error
Parameter lose Check the parameter and reset them
Er8101 Phase loss
Power Line is unconnected
A phase output open
Check the power line and output line
Er8102
Over current or
flug
Current is bigger at
starting instant
Check the load
Initial voltage is high
Current Limit is high
Er8103 Over heat heat sink is over heat
If the fan is normal
If bypass contactor connect reliable
Er8104
Start time
exceed the limit
value
Load is too heavy
Start time is too short
Check the load
Increase the start time
Increase the current limit
Er8105 overload Is it overload If the load current exceed the limit
Er8106
Over current at
running
Load increase suddenly
Fluctuate of the load is
too big.
Adjust the load
Er8107
Current
unbalance
Motor have fault
The parameter of unbalance
factor is too small
Check the motor
Reset the parameter of unbalance
factor
Er8108
Over current at
starting
Current at starting is over
the limit
Adjust the limit and protect value
Er8109
Over current at
soft stop
Current at soft stop is
over the limit
Adjust the limit of current
Adjust the protect of current
Adjust the soft stop factor
Er8111 interference External interference Eliminate interference source
Note:
①：The way of inquire of the last error code shows at the chapter 9.7 “the last fault inquiring.”
②：If the fault appears, user can reset the fault by 3 methods showing below.
2. In fault state, user can reset the fault as following:
●
Press STOP key and maintain 3 seconds.
●
Connect controlled terminals RET and COM, and maintain 3 seconds.
●
Shut down the power and power on again.
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