Suzhou Monarch Control Technology MCTC-CTB-A, User Manual, Page: 182 / 183

Fault diagnosis and countermeasures NICE3000 User Manual
182
Operate
panel
display
Digital
tube
display
Fault
description
Fault cause Disposal way Sort
Err 52 E52
External call
communication
error
External communication
with no correct feedback
data
Check the connection of
the communication wiring
Check the 24V power
source of lift integrated
controller
Check whether the setting
of the external call control
board is repeated
1
Err 53 E53
Lock jump
fault
When in automatic running
state, the stop has no door
lock cut process;
Detect the lock signal
circuit .
check the door-lock
contactor feedback
check whether the system
receive the door-open limit
command when the door-
lock signal is valid
4
Err 54
Inspection
start with
over-current
The current exceed the
110% of the rated value
when inspection running
start
1 .reduce the load .2
.change the FC-00 BIT 1 to
1, cancel the start current
detection
Err 55
Parking
error of floor
change
The door-open not reach
the right position when
elevator runs automatically .
Check the door-open limit
signal
Err 56
The control
board over-
speed
Under the Inspection
and Auto state: 1 .The
feedback speed exceeds
120% of the set speed
when the running speed
faster than 0 .3m/s . 2 .The
feedback speed less than
80% of the set speed when
the running speed is faster
than 0 .08m/s .
The function can be
cancelled by the BIT 6 of
FC-01, when BIT 6=1, the
function is invalid .
Err 57
DSP
communication
abnormal
The DSP and motor have
no communication over
500ms
Check the connection wire
between control board and
drive board