7 Troubleshooting
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284
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Fault
Code
Name Possible Causes Solution Level
Err56
Door open/close
signal
fault
Subcode 101: The door open/
close limit signal is active in
running.
◆
Check the setting of door open/close limit
signal NO/NC of F5-25.
◆
Check the wiring of door open/close signal.
5A
Subcode 102: The door close
limit signal is inactive in
running.
Subcode 103: door open limit
and close limit signals are
both valid
Subcode 104: The door close
limit signal is continuously
connected 3s after the door
is open. This fault subcode is
detected after the door lock
bypass is set.
◆
Check whether the door close limit signal is
always active.
Err57
Serial peripheral
interface (SPI)
communication
abnormal
Subcodes 101, 102: The
communication of the MCB
with the DSP board of the
drive unit is abnormal.
◆
Check the wiring between the control board
and the drive board.
5A
Subcode 103: The MCB does
not match the AC drive.
◆
Contact the agent or Inovance.
Err58
Shaft position
switches
abnormal
Subcode 101: The up slow-
down switch and down slow-
down switch are disconnected
simultaneously.
◆
Check whether the signal feature (NO, NC) of
the slow-down switches and limit switches
are
◆
consistent with the parameter setting of the
MCB.
◆
Check whether malfunction of the slow-
down switches and limit switches exists.
4B
Subcode 102: The up limit
feedback and down limit
feedback are disconnected
simultaneously.
Err59 Reserved Reserved
◆
Reserved -
Err60 Reserved Reserved
◆
Reserved -
Err61 Reserved Reserved
◆
Reserved -
Err62
Analog input
cable broken
Subcode 101: The load cell
analog input cable is broken.
◆
Check whether F5-36 is set correctly.
◆
Check whether the analog input cable of
the CTB or MCB is connected incorrectly or
broken.
◆
Adjust the load cell switch function.
3B
Err64 External fault
Subcode 101: The external
fault signal is continuously
active for 2s.
◆
Check the NO/NC setting of the external fault
terminal.
◆
Check the input signal state of the external
fault terminal.
5A
Err65
UCMP test
abnormal
This fault is reported when the
UCMP function test is enabled.
This fault is reported when the
car moves unintendedly.
◆
Check whether the brake is fully closed and
whether the car does not move unintended-
ly.
5A
Err66
Braking force
test abnormal
This fault is reported when the
braking force test is enabled
is detected.
◆
Check the brake clearance. 5A
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