LSIS S100 Series Troubleshooting Manual

2. Troubleshooting
23
Keypad Display
Type
Description
In Phase Open
Latch
Occurs when one of the three input phases is phase open.
Operation will resume after setting Pr.05 bit 2 to 1.
Problem
Solution
There is a problem with the magnetic
contactor in the input.
Check the magnetic contactor on the input side.
The input wiring is faulty.
Check the input wiring.
The DC condenser needs to be
replaced.
Replace the DC condenser.
Contact the retailer or the LSIS Customer Service Center.
Keypad Display
Type
Description
Out Phase
Open
Latch
Occurs when one of the three output phases is phase open.
Operation will resume after setting Pr.05 bit 1 to 1.
Problem
Solution
There is a problem with the magnetic
contactor in the output.
Check the magnetic contactor on the input side.
The output wiring is faulty.
Check the output wiring.
Keypad Display
Type
Description
Inverter
Overload Trip
Latch
It is an inverse time (delay) protective function to protect
(prevent) the inverter from being overheated. Occurs when
the output current is 150% of its rated current for 1 minute,
and 200% for 4 seconds. The second condition (200%, 4 s)
varies depending on the inverter capacity.
Problem
Solution
The load is greater than the motor’s
rated capacity.
Replace the motor and inverter that has a bigger capacity.
There is a fault with the output
module (IGBT).
Refer to 3.1.4 Check Input/Output Module to identify the fault cause
of the output module (IGBT). DO NOT operate the inverter. Contact
the retailer or the LSIS Customer Service Center.
The brake of the motor is too fast.
Change the time interval of the brake.
The torque boost level is too high.
Reduce the torque boost level.
Acc/Dec time is too short compared
to the load inertia (GD2).
Increase Acc/Dec time.
There is too much noise.
Decrease the carrier frequency value.
IPO
POT
IOL

LSIS S100 Series Specifications

General

Brand	LSIS
Model	S100 Series
Category	Controller
Language	English