IMO iDrive EDX 100V series 1-ph/0.2 – 0.75kW (0.25 – 1HP) Owner's Manual page 74

3. Errors which can only be recovered manually but cannot be auto-recovered
Display Error
Over-current
OC
during stopping
OL1
Motor overload
OL2
Inverter overload
OCL
Over-current
limit
LUC
Under voltage
during operation
Cause
1. Detection circuit
malfunction
2. Poor connection on CT
signal cable
1. Heavy load
2. Incorrect setting of b09
Load too big on iDrive
1. Heavy Load
2. Continuous over load
3. Shock Load
4. Instantaneous over-
current due to motor or
wiring fault
1. Power voltage too low
2. Power voltage
momentary dip
5-3
Chapter 5 Trouble shooting and maintenance
Contact your supplier
1. Increase motor and iDrive
capacity
2. Set b09 correctly according
to motor nameplate.
Increase iDrive capacity
or reduce load
1. Increase motor capacity
2. Increase ACC/ DEC time
A04 ~ A05, etc
3. Set stall prevention function
b23 ~ b29
4. Check motor & wiring
1. Check input voltage
2. Use an ACR on the power
input side & record input
voltage over time period
3. Increase iDrive capacity
Remedy