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10-8
LED display
Description
Possible causes
Corrective action
warning
03-07 = 31).
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.
UT
(flash)
under torque
detection
Inverter output torque is
lower than 08-19 (under
torque detection level) for
the time specified in
08-20. Parameter 08-18 =
0 to activate.
Sudden drop in load.
Belt break.
Check under torque
detection parameters
(08-19 / 08-20).
Check load / application.
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)