10-9
LED display
Description
Cause
Possible solutions
OT (flash)
Over torque
detection
Inverter output torque is higher than
08-15 (over torque detection level)
for the time specified in 08-16.
Parameter 08-14 = 0 to activate.
Load too heavy.
Check over torque detection
parameters (08-15 / 08-16).
Check and reduce motor load,
check and operation duty cycle.
bb1 (flash)
External
baseblock
External base block
(Terminal S1)
Multifunction digital input external
baseblock active.
Multi-function input function set
incorrectly.
Check wiring
bb2 (flash)
External
baseblock
External base block
(Terminal S2)
bb3 (flash)
External
baseblock
External base block
(Terminal S3)
bb4 (flash)
External
baseblock
External base block
(Terminal S4)
bb5 (flash)
External
baseblock
External base block
(Terminal S5)
bb6 (flash)
External
baseblock
External base block
(Terminal S6)