Inovance Monarch NICE-L-C-2003 - Page 143

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5 Troubleshooting
5
Fault Code Name Possible Causes Solution Level
Err42
Door lock
disconnected
during running
Subcodes 101, 102:
The door lock circuit
feedback is invalid
during the elevator
running.
• Check whether the hall door lock and the car
door lock are in good contact.
• Check whether the door lock contactor acts
properly.
• Check the signal feature (NO, NC) of the
feedback contact on the door lock contactor.
• Check whether the external power supply is
normal.
5A
Err43
Up limit signal
abnormal
Subcode 101: The up
limit switch acts when
the elevator is running
in the up direction.
• Check the signal feature (NO, NC) of the up
limit switch.
• Check whether the up limit switch is in good
contact.
• Check whether the limit switch is installed at
a relatively low position and acts even when
the elevator arrives at the terminal oor
normally.
4A
Err44
Down limit signal
abnormal
Subcode 101: The
down limit switch acts
when the elevator is
running in the down
direction.
• Check the signal feature (NO, NC) of the
down limit switch.
• Check whether the down limit switch is in
good contact.
• Check whether the limit switch is installed at
a relatively high position and thus acts even
when the elevator arrives at the terminal oor
normally.
4A
Err45
Slow-down
switch abnormal
Subcode 101: The
down slow-down
distance is insufcient
during shaft auto-
tuning.
• Check whether the up and down slow-down
switches are in good contact.
• Check the signal feature (NO, NC) of the up
and down slow-down switches.
• Ensure that the obtained slow-down distance
satises the slow-down requirement at the
elevator speed.
4B
Subcode 102: The up
slow-down distance
is insufcient during
shaft auto-tuning.
Subcode 103: The
slow-down switch is
stuck or abnormal
during normal
running.
Subcode 106: The
up and down slow-
down switches 2 act
improperly in shaft
auto-tuning.
• Check whether the up/down slow-down
switch 2 is wired correctly.
• Check the signal feature (NO, NC) of the up
and down slow-down switches 2.
Subcode 107: The
up and down slow-
down switches 3 act
improperly in shaft
auto-tuning.
• Check whether the up/down slow-down
switch 3 is wired correctly.
• Check the signal feature (NO, NC) of the up
and down slow-down switches 3.