Inovance SV670P Series - Page 79

Description of Fault Codes
‑78‑
● E939.1: Phase‑U power cable disconnected
Cause
Confirming Method
Solution
Motor power cables
disconnected
Check the wiring of the
phase‑U power cable.
1. Check whether the power
cables are disconnected
or in poor contact. Re‑
connect the power cables.
2. Replace the servo motor.
● E939.2: Phase‑V power cable disconnected
Cause
Confirming Method
Solution
Motor power cables
disconnected
Check the wiring of the
phase‑V power cable.
1. Check whether the power
cables are disconnected
or in poor contact. Re‑
connect the power cables.
2. Replace the servo motor.
● E939.3: Phase‑W power cable disconnected
Cause
Confirming Method
Solution
Motor power cables
disconnected
Check the wiring of the
phase‑W power cable.
1. Check whether the power
cables are disconnected
or in poor contact. Re‑
connect the power cables.
2. Replace the servo motor.
● E994.0: Station number conflict
Cause
Confirming Method
Solution
CANlink station No. conflict
Check the setpoint of
H0E.00.
Rectify the value of H0E.00.
● EA33.0: Internal encoder read/write check error
Cause:
Encoder parameters are abnormal.