Suzhou Monarch Control Technology MCTC-CTB-A, User Manual, Page: 181 / 183

NICE3000 User Manual Fault diagnosis and countermeasures
181
Operate
panel
display
Digital
tube
display
Fault
description
Fault cause Disposal way Sort
Err 43 E43
Up limit
signal off in
running
The signal of up limit is cut
when lift is up running .
1 .check the up limit signal
2 .check the up limit switch
3 .if the limit switch is low,
it will act in normal run to
the bottome floor
4
Err 44 E44
Down limit
signal off in
running
The signal of down limit
is cut when lift is down
running .
1 .check the down limit
signal
2 .check the down limit
switch
3 .if the limit switch is low,
it will act in normal run to
the bottome floor
4
Err 45 E45
Up/Down
slowdown
switch off
Up and down slowdown
switch is cut at one time
when the elevator stops .
1 .Detect 1st up/down
slowdown switch;
2 .Ensure 1st up/
down slowdown signal
characteristic (N .O .or N
.C .);
4
Err 46 E46
Re-leveling
abnormity
1 .The speed of re-leveling
is over 0 .1m/s;
2 .Re-levelling position is
not in the leveling area;
3 .The door lock feedback
is abnormal when in
running .
1 .Detect the connection of
lock relay .
2 .Detect that the door
lock feedback function is
selected or not, and signal
is natural or not;
2 .Ensure the rotary
encoder is used right;
1
Err 47 E47
Door-close
contactor
adhesion
Contactor is conglutinated
when having advance open
door and re-leveling .
Detect door-close
contactor
5
Err 48 E48
Door open
fault
The door continuous non-
arrival open times are over
the setting value of FB-09 .
1 .Detect that the door
machine is working natural
or not;
2 .Detect the car top
control panel is right or not;
5
Err 49 E49
Door close
fault
The door continuous non-
arrival close times are over
the setting value of FB-09 .
1 .Detect that the door
machine is working natural
or not;
2 .Detect that the car top
control panel is right or not;
5
Err 50 E50
Group control
communication
error
Group control
communication
continuously error more
than 10s
1 .Check the connection of
the communication wiring
2 .check the address
definition of lift integrated
controller
2
Err 51 E51
CAN
communication
error
1: CAN communication
continuously no correct
feedback data
2: CAN communication
receipt continuously error
Check the connection of
the communication wiring
Check the car top board
power
Check the 24V power
source of lift integrated
controller
3