LSIS S100 Series - Page 26

2. Troubleshooting
25
Keypad Display
Type
Description
Hardware Trip
Fatal
Occurs when the inverter detects fault in the EEPRom, ADC
Off set, CPU Watch Dog-1,2.
- EEP Err: Problem with reading and writing parameters due
to damage in the keypad, and EEPRom.
- ADC Off Set: Problem with the current detective devices
(U/V/W terminal, current sensors, etc.)
NTC Trip
Latch
Occurs when there is a problem with the thermal (detecting)
sensors in IGBT.
Problem
Solution
Hardware inspection is needed.
Contact the retailer or the LSIS Customer Service Center.
HWT
n TC