Monarch nice3000 - Page 281

9 Troubleshooting NICE3000
new
User Manual
- 280 -
9
Fault
Code
Name Possible Causes Solution
Level
Err47
Shorting door
lock circuit
contactor
abnormal
● Subcode 101: During
re-leveling or pre-open
running, the shorting
door lock circuit contactor
outputs for continuous
2s, but the feedback is
invalid and the door lock
is disconnected.
● Subcode 102: During
re-leveling or pre-open
running, the shorting
door lock circuit contactor
has no output, but the
feedback is valid for
continuous 2s.
● Subcode 103: During
re-leveling or pre-open
running, the output time
of the shorting door lock
circuit contactor is larger
than 15s.
Subcodes 101, 102:
● Check the signal feature (NO, NC) of the
feedback contact on the shorting door
lock circuit contactor.
● Check whether the shorting door lock
circuit contactor acts properly.
Subcode 103:
● Check whether the leveling and re-
leveling signals are normal.
● Check whether the re-leveling speed is
set too low.
2B
Err48 Door open fault
Subcode 101: The consecutive
times that the door does not
open to the limit reaches the
setting in Fb-09.
Subcode 101:
● Check whether the door machine system
works properly.
● Check whether the CTB output is normal.
● Check whether the door open limit signal
and door lock signal are normal.
5A
Err49 Door close fault
Subcode 101: The consecutive
times that the door does not
open to the limit reaches the
setting in Fb-09.
Subcode 101:
● Check whether the door machine system
works properly.
● Check whether the CTB output is normal.
● Check whether the door close limit signal
and door lock signal are normal.
5A
Err50
Consecutive
loss of leveling
signal
Subcode 101:
Leveling signal stuck is
detected for three consecutive
times.
Subcode 102:
Leveling signal loss is
detected for three consecutive
times.
Subcodes 101, 102:
● Check whether the leveling and door
zone sensors work properly.
● Check the installation verticality and
depth of the leveling plates.
● Check the leveling signal input points of
the MCB.
● Check whether the steel rope slips.
5A