9 Troubleshooting NICE3000
new
User Manual
- 278 -
Fault
Code
Name Possible Causes Solution
Level
Err38
Encoder signal
abnormal
● Subcode 101: The pulses
in F4-03 does not change
within the time threshold
in of F1-13.
● Subcode 102: F4-
03 increases in down
direction.
● Subcode 103: F4-03
decreases in up direction.
● Subcode 104:The SVC is
used in distance control
mode.
Subcode 101:
● Check whether the encoder is used
correctly.
● Check whether the brake works properly.
Subcodes 102, 103:
Check whether parameter setting and wiring
of the encoder are correct.
Subcode 104:
Set F0-00 (Control mode) to 1 (Closed-loop
vector control) in distance control mode.
5A
Err39 Motor overheat
Subcode 101: The motor
overheat relay input remains
valid for a certain time.
Subcode 101:
● Check whether the parameter setting
(NO, NC) is correct.
● Check whether the thermal protection
relay socket is normal.
● Check whether the motor is used
properly and whether it is damaged.
● Improve cooling conditions of the motor.
3A
Err40 Reserved - - -
Err41
Safety circuit
disconnected
Subcode 101: The safety
circuit signal becomes OFF.
Subcode 101:
● Check the safety circuit switches and
their states.
● Check whether the external power supply
is normal.
● Check whether the safety circuit
contactor acts properly.
● Conrm the signal feature (NO, NC) of
the feedback contact of the safety circuit
contactor.
5A
Err42
Door lock
disconnected
during running
Subcodes 101, 102: The door
lock circuit feedback is invalid
during the elevator running.
Subcodes 101, 102:
● 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