7 Troubleshooting
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280
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Fault
Code
Name Possible Causes Solution Level
Err38
Encoder
signal abnormal
Subcode 101: The pulses in F4-
03 do not change within the
time threshold in F1-13.
◆
Check whether the encoder is used correctly
◆
Check whether the brake works properly.
5A
Subcode 102: F4-03 increases
in down direction.
◆
Check whether the parameter setting and
wiring of the encoder are correct.
◆
Check whether the system grounding and
signal grounding is secure.
◆
Check the phase sequence of the motor.
Subcode 103: F4-03 decreases
in up direction.
Subcode 104: The SVC is used
in distance control mode.
◆
Set F0-00 (Control mode) to 1 (Closed-loop
vector control) in distance control mode.
Subcode 105: The down limit
switch acts in up direction
while down slow-down switch
1 is active.
◆
Check whether the wiring of up and down
limit switches is normal.
Subcode 106: The up limit
switch acts in down direction
while up slow-down switch 1
is active.
Err39 Motor overheat
Subcode 101: The motor
overheat relay input remains
valid for a certain time.
◆
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 Reserved
◆
Contact the agent or Inovance. 4B
Err41
Safety circuit
disconnected
Subcode 101: The safety
circuit signal becomes OFF.
◆
Check the safety circuit switches and their
states.
◆
Check whether the external power supply is
normal.
◆
Check whether the safety circuit contactor
acts properly.
◆
feedback contact of the safety circuit con-
tactor.
5A
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 contac-
tor.
◆
Check whether the external power supply is
normal.
5A
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