Chapter 13 Warning CodesCP2000
13-17
ID No. Display on LCD Keypad Warning Name Description
39
CANopen bus off error
(CbFn)
CANopen BUS off error
Action and Reset
Action level
Hardware When CANopen card is not installed, CbFn fault will occur.
Software
When the master received wrong communication package, CbFn
fault will occur.
Too much interference on BUS
When the CAN_H and CAN_L communication cable is short, the
master receives wrong package, and CbFn fault occurs.
Action time Immediately act when the fault is detected
Warning setting parameter N/A
Reset method Manual Reset
Reset condition Cycle the power
Record When Pr.00-21≠3, CbFn is a “Warning”, and the warning is not recorded
Cause Corrective Actions
Check if the CANopen card is
installed
Make sure the CANopen card is installed.
Check if the CANopen speed is
correct
Reset CANopen speed (Pr.09-37)
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.
ID No. Display on LCD Keypad Warning Name Description
40
CANopen index error
(CIdn)
CANopen Index error
Action and Reset
Action level CANopen communication Index error
Action time Immediately act when the fault is detected
Warning setting parameter N/A
Reset method Manual Reset
Reset condition Upper unit sends a reset package to clear this fault
Record When Pr.00-21≠3, Cldn is a “Warning”, and the warning is not recorded
Cause Corrective Actions
Incorrect setting of CANopen
index
Reset CANopen Index (Pr.00-02=7)
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