Description of Fault Codes
‑61‑
Cause
Confirming Method
Solution
The brake fails when it
closes.
Check if the motor shaft end
is not held tightly by the
brake when the braking
signal is active.
1. Check the brake wiring.
2. Replace the Brake motor.
● E630.0: Motor stall
Cause:
The actual motor speed is lower than 10rpm but the torque reference reaches the
limit, and such status lasts for the time defined by H0A.32.
Cause
Confirming Method
Solution
1. U/V/W output phase loss,
wire breakage or incorrect
phase sequence occurs on
the servo drive.
Perform motor trial run
without load and check
cable connections and the
phase sequence.
Connect cables again
according to the correct
wiring diagram or replace
the cables.
2. The motor parameters
(especially the number of
pole pairs) are set
improperly and motor angle
auto‑tuning is not
performed.
View parameters in group
H00 to check whether the
number of pole pairs are set
properly.
Perform angle auto‑tuning
on the motor several times
and check whether the value
of H00.28 is consistent
during angle auto‑tuning.
Modify the motor parameter
values.
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