TECO A510s, Быстрая настройка, Страница: 54 / 111

53
does not accept a run command until the
programming error is corrected.
Note:
When a warning or self- diagnostic error
is active the warning or error code will flash on
the keypad. When the RESET key is pressed,
the warning message (flash) disappears and
returns after 5 sec. If the warning or self-
diagnostic error still exists.
Refer to Table 4.2 for and overview, cause and
corrective action for inverter warnings and self-
diagnostic errors.
Table 4.2 warning / self-diagnosis and corrective
actions
LED display Corrective action
OV
(flash)
Over voltage

Increase deceleration
time

Reduce input voltage to
comply with the input
voltage requirements or
install an AC line
reactor to lower the
input voltage.

Remove the power
factor correction
capacitor.

Use dynamic braking
unit.

Replace braking
transistor or resistor.

Adjust speed search
parameters.
UV
(flash)
under voltage

Check the input voltage.

Check input wiring.

Increase acceleration
time.

Check power source

Replace pre-charge
contactor

Replace control board
or complete inverter.
OH1
Heatsink
overheat

Install fan or AC to cool
surroundings.

Replace cooling fan.

Reduce carrier
frequency.

Reduce load / Measure
output current
OH2
(flash)
Inverter over
heating
warning

Multi-function input
function set incorrectly.

Check wiring
LED display Corrective action
OT
(flash)
over torque
detection

Check over torque
detection parameters
(08-15 / 08-16).

Check and reduce
motor load, check and
operation duty cycle.
UT
(flash)
under torque
detection

Check under torque
detection parameters
(08-19 / 08-20).

Check load /
application.
bb1
(flash)
External
baseblock

Multi-function input
function set incorrectly.

Check wiring
bb2
(flash)
External
baseblock
bb3
(flash)
External
baseblock
bb4
(flash)
External
baseblock
bb5
(flash)
External
baseblock

Multi-function input
function set incorrectly.

Check wiring
bb6
(flash)
External
baseblock