Delta VFD2A7MS43ANSAA

Chapter 13 Warning CodesMS300
499
ID No.
Display on LCD Keypad
Warning Name
Description
37
CANopen heartbeat
error (CHbn)
CANopen heartbeat error
Action and Reset
Action Condition
When CANopen Heartbeat detects that one of the slaves does not response,
the CHbn error shows.
The upper unit sets the confirming time of producer and consumer during
configuration.
Action Time
The upper unit sets the confirming time of producer and consumer during
configuration.
Warning Setting Parameter
N/A
Reset Method
Manual reset
Reset Condition
The upper unit sends a reset package to clear this warning.
Record
When Pr.00-21 ≠ 3, CHbn is a “Warning”, and the warning is not recorded.
Cause
Corrective Actions
The heartbeat time is too short
Increase heartbeat time (Index 1016)
Malfunction caused by
interference
1. Verify the wiring and grounding of the communication circuit. It is
recommended to separate the communication circuit from the main circuit,
or wire in 90 degree for effective anti-interference performance.
2. Make sure the communication circuit is wired in series.
3. Use CANopen cable or add terminating resistance.
Communication cable is broken or
bad connected
Check or replace the communication cable.