TECO T-Verter E2 Series User Manual

50
Error handling of malfunction indication of OC.OL
When inverter display
malfunction indication
OC.OL.
Switch ON power
supply
Is the output frequency
displayed?
Detail examination is required.
Inverter is out of order.
YES
Is the appearance
normal?
Is the primary
circuit I.G.B.T.
normal?
Input operation
instruction
Replace I.G.B.T.
Is the current
detector normal?
NO
YES
NO
A
BNORMAL
Is there any
malfunction indication
Input frequency setting
Is there output
voltage on UVW
terminals?
Connect motor and
proceed with operation.
Is there any malfunction
indication
Is output
current of all phases in
balance condition.
The inverter is
normal now.
Replace defective PCB
Replace control board.
Replace detector.
Replace control board
Replace control board
Is replacing
control board correct this
Problem?
NORMAL
YES
A
BNORMAL
NORMAL
NO
YES
YES
NO
NO
YES
YES
NO
YES

TECO T-Verter E2 Series Specifications

General

Brand	TECO
Model	T-Verter E2 Series
Category	DC Drives
Language	English