7 Troubleshooting
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273
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Fault
Code
Name Possible Causes Solution Level
Err18
Current
detection fault
The drive control board fails.
◆
Contact the agent or the manufacturer. 5A
Err19
Motor auto-
tuning
fault
Subcode 1: Stator resistance
auto-tuning fails.
◆
Check the motor wiring.
5A
Subcode 5: Magnetic pole
position auto-tuning fails.
Subcode 8: Synchronous
motor static auto-tuning is
selected, but the encoder type
is not SIN/COS encoder.
◆
Select other auto-tuning modes or change
the encoder type to SIN/COS encoder.
Subcode 9: CD signal
synchronous motor static
auto-tuning.
◆
Hardware interference exists in the CD sig-
nals of the SIN/COS encoder. Check whether
grounding is normal.
Subcode 12: The encoder
initial angle is not learned
during angle-free auto-tuning
of synchronous motor so that
an alarm is given.
◆
For semi-automatic angle-free auto-tuning,
the elevator can run at normal speed only
after the encoder initial angle is obtained in
inspection mode.
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