Inovance SV670N Series - Page 67

Description of Fault Codes
‑66‑
The brake circuit is faulty.
Cause
Confirming Method
Solution
The brake or the 24 V power
supply is not connected
when the brake feature is
used.
Check whether 24 V power
supply or the brake is not
connected when H02.16 is
set to 1.
1. Set H02‑16 to 0.
2. Replace the motor.
3. Connect the brake cable
and 24 V power supply.
● E631.2: P‑Mos disconnected
Cause:
The brake circuit is faulty.
Cause
Confirming Method
Solution
When braking is used, P‑
MOS open circuit occurred
on the brake circuit.
Ensure the brake cable is
connected, check if the fault
persists after the servo drive
is powered off and on again.
1. Replace the servo drive.
2. Turn off the brake switch
H02.16.
● E631.3: N‑Mos disconnected
Cause:
The brake circuit is faulty.
Cause
Confirming Method
Solution
When braking is used, N‑
MOS open circuit occurred
on the brake circuit.
Ensure the brake cable is
connected, check if the fault
persists after the servo drive
is powered off and on again.
1. Replace the servo drive.
2. Turn off the brake switch
H02.16.
● E631.4: P‑Mos short‑circuited
Cause:
The brake circuit is faulty.
Cause
Confirming Method
Solution
The P‑Mos is short‑circuited.
Ensure the brake cable is
connected, check if the fault
persists after the servo drive
is powered off and on again.
Replace the servo drive.
● E631.5: N‑Mos short‑circuited
Cause:
The brake circuit is faulty.
Cause
Confirming Method
Solution
The N‑Mos is short‑circuited.
Ensure the brake cable is
connected, check if the fault
persists after the servo drive
is powered off and on again.
Replace the servo drive.