CANopen & CANlink Communication
‑72‑
Table 4–26 Fault information
AC Drive Fault Information AC Drive Fault Information
2: Overcurrent
5: Overvoltage
8: Pre‑charge power fault
9: Undervoltage
10: AC drive overload
11: Motor overload
12: Input phase loss
13: Output phase loss
14: Overheat
15: External fault
17: Pre‑charge circuit exception
18: Current sampling exception
19: Motor auto‑tuning exception
20: Encoder/PG card exception
21: EEPROM fault
22: Encoder card not activated
23: Output short‑to‑ground
26: Accumulative running duration reach
27: User‑defined fault
28: User‑defined alarm
29: Accumulative power‑on duration reach
30: Output load loss
31: PID feedback loss during running
42: Excessive speed deviation
43: Motor overspeed
45: Motor overtemperature
47: STO fault
51: Pole position auto‑tuning error
55: Master‑slave control fault
56: Self‑check fault 1
57: Self‑check fault 2
58: Self‑check fault 3
59: Self‑check fault 4
61: Braking overload
62: Braking transistor fault
63: External alarm
82: Pre‑charge contactor fault
85: Timing fault
93: Motor control exception 1
94: Motor control exception 2
159: Auto reset fault
160: Modbus timeout
161: CANopen fault
162: CANlink fault
164: Expansion card fault
174: Input exception protection
4.6.2 Simple Diagnosis
Description
The AC drive parameter FD‑17 provides the simple diagnosis function. This parameter
shows the number of times that the CAN bus is off due to strong interference after
power‑on.
Diagnosis
If the value is greater than 0 but does not continue to increase, it indicates that the
network has experienced strong interference for a long time. If the value is greater
than 0 and increases within 5 minutes, it indicates that the network is experiencing
interference or the configuration is incorrect, which requires troubleshooting.
Solution
Check all nodes for the same baud rate or address. Check whether the DIP switch is
set correctly and in place and whether the baud rate and address of the master are
set correctly.
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