Operating Instructions

Fault Codes
Digital Keypad
341 | 443
Cause
Corrective Actions
The guarding time is too short, or less
detection times
Increase the guarding time (Index 100C) and detection times
Malfunction caused by interference
● Verify the wiring and grounding of the communication circuit.
● Separate the communication circuit from the main circuit, or wire in 90 degree for effective
anti-interference performance.
● Ensure the communication circuit is wired in series.
● Use CANopen cable or add terminating resistance.
Communication cable is broken or bad
connected
Check or replace the communication cable.
ID*
Display on LCD Keypad
Fault Name
Fault Descriptions
102
CANopen heartbeat error
(CHbE)
CANopen heartbeat error
Action and Reset
Action level
When CANopen Heartbeat detects that one of the slaves does not respond, the ChbE fault
occurs.
The upper unit sets the confirming time of producer and consumer during configuration.
Action time
The confirming time that the upper unit sets for producer and consumer during configuration.
Fault treatment parameter
N/A
Reset method
Manual reset
Reset condition
The upper unit sends a reset package to clear this fault
Record
Yes
Cause
Corrective Actions
The heartbeat time is too short
Increase heartbeat time (Index 100C)
Malfunction caused by interference
● Verify the wiring and grounding of the communication circuit.
● Separate the communication circuit from the main circuit, or wire in 90 degree for effective
anti-interference performance.
● Ensure the communication circuit is wired in series.
● Use CANopen cable or add terminating resistance.
Communication cable is broken or bad
connected
Check or replace the communication cable.
ID*
Display on LCD Keypad
Fault Name
Fault Descriptions
104
CANopen bus off error
(CbFE)
CANopen bus off error
Action and Reset
Action level
Hardware
When CANopen card is not installed, the CbFE fault occurs.
Software
When the master receives wrong communication package, the CbFE fault occurs.
Too much interference on BUS
The master receives wrong package when the CAN_H and CAN_L communication