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22
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Error Detection Function
If an error is detected, the 7-segment LED indicator will flash the error number, and the hoist will
be stopped. In this case, release the pushbutton switch, and then press it again, or stop supplying
the electric power, eliminate the cause of the error, and then restart operation.
List of lifting/lowering errors
Error
Description of error
Measures Cause
Restarting
Display
Power failure
The AC power is turned off.
Immediate stoppage
Error indication
Power failure
Imperfect contact of
trolley
Possible
Er01
Power supply
voltage too low
The voltage of the PN line is
460 V or less.
Immediate stoppage
Error indication
Power supply capacity
shortage
Imperfect contact caused
in trolley line
Possible
Er02
Defective
pushbutton
Both the lifting and lowering
commands are input at the
same time.
The pushbutton signal input
circuit is defective.
Deceleration and
stoppage
Error indication
Wiring error
Defective CPU board
Possible
Er11
Starting error
During lifting/lowering
operation, the 2-phase signal
sent from the rotation sensor
cannot be received for 0.5
sec or more.
Deceleration and
stoppage
Error indication
Overloaded during lifting
operation (Note 4)
Defective hoisting brake
Defective inverter
Possible
Er12
Regenerative
voltage too high
The voltage of the PN line is
760 V or more.
Immediate stoppage
Error indication
Overloaded during
lowering operation
(Defective regenerative
circuit)
Possible
Er13
Lowered during
lifting operation
During lifting operation or
stoppage of operation, the
hook is lowered.
Immediate stoppage
Error indication
Defective hoisting brake
Defective inverter
Possible
Er14
Overwork
Overcurrent
Control power
supply error
The “Fout” signal is output.
(Overcurrent or overheat)
Immediate stoppage
Error indication
Overwork
Overload (Note 4)
Defective IPM
Possible
(Note 2)
Er16
(Note 1)
Defective rotation
sensor
One of 2 signals is missing.
Deceleration and
stoppage
Error indication
Disconnection
Defective rotation sensor
Inhibited
Er21
Over-speed
The speed is higher than the
maximum speed 110%.
Immediate stoppage
Error indication
Motor line disconnection
Defective inverter
Inhibited
Er22
(Note 1)
Limit position
overrun
Counter overflow
Deceleration and
stoppage
Error indication
Noise
Defective rotation sensor
Defective CPU board
Inhibited
Er23
Overload
(Note 3)
The applied load is more
than the judgment value.
Deceleration and
stoppage
Overload
Possible
oL
Note 1: Set the electronic operation limit position again.
Note 2: If the hoist is stopped due to overheat, restarting the hoist will not possible until the power module is cooled enough.
Note 3: This error will not be recorded in the error history.
Note 4: This error may occur if the overload stoppage function is not used or if an extremely large load is applied, e.g. earth lifting
is performed.
Содержание UM 10t
Страница 51: ... 47 Structural Drawing of Hoist Main Body 5t 10t PA00531 ...
Страница 52: ... 48 Structural Drawing of Electric Traversing Unit Monorail Type 10t P288922 ...
Страница 53: ... 49 Structural Drawing of Electric Traversing Unit Double rail type 5t PA00483 ...
Страница 54: ... 50 Structural Drawing of Traversing Mortor Double rail type 10t P276926 ...
Страница 55: ... 51 Structural Drawing of Hook Block 5t PG49975 ...
Страница 56: ... 52 Structural Drawing of Hook Block 10t PG49976 ...
Страница 60: ...MITSUBISHI ELECTRIC FA INDUSTRIAL PRODUCTS CORPORATION Specifications subject to change without notice ...