MAINTENANCE
Troubleshooting
166
CE1
(1) Comm. Error 1
CE2
(2) Comm. Error 2
CE3
(3) Comm. Error 3
CE4
(4) Comm. Error 4
RS-485 Modbus illegal function code
RS-485 Modbus illegal data address
RS-485 Modbus illegal data value
RS-485 Modbus data is written to read-only address
Action and Reset
Action condition
CE1: When the function code is not 03, 06, 10 and 63
CE2: When the input data address is incorrect
CE3: When the length of communication data is too long
CE4: When the data is written to read-only address
Action time
Immediately
Related parameters
[Comm-02]
Reset method
Automatically when drive receives the correct function code
Reset condition
Immediately
Recorded
N/A
Possible Causes
Corrective Action
• Incorrect communication command
from upper unit
• Malfunction caused by interference
• Different communication setting from
the upper unit
• Disconnection or bad connection of the
cable
• Check if the communication command is correct.
• 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.
• Check if the setting for
[Comm-02]
is the same as the setting for the upper unit.
• Check the cable and replace it if necessary.
Warning Display
Description
CE10
(5)
Comm. Error 10
RS-485 Modbus transmission time-out
Action and Reset
Action condition
CE10: When
[Comm-10]
= 0 and the motor drive keeps running and the time has exceeded
[Comm-03]
Action time
[Comm-03]
Related parameters
[Comm-02]
Reset method
Automatically
Reset condition
When drive receives the correct function code
Recorded
N/A
Possible Causes
Corrective Action
• The upper unit does not transmit the
communication command within
[Comm-03]
setting time
• Malfunction caused by interference
• Different communication setting from
the upper unit
• Disconnection or bad connection of the
cable
• Check if the upper unit transmits the communication command within the setting time for
[Comm-
03]
.
• 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.
• Check if the setting for
[Comm-02]
is the same as the setting for the upper unit.
• Check the cable and replace it if necessary.
Warning Display
Description
Summary of Contents for CERUS X-DRIVE CXD-003A-4V
Page 2: ......
Page 3: ...CERUS X DRIVE INSTALLATION AND OPERATION MANUAL Firmware Version 1 2 Franklin Electric Co Inc ...
Page 96: ...OPERATION Protection Features 96 ...
Page 112: ...ADVANCED APPLICATION OPTIONS Multi Drive Configurations 112 ...
Page 124: ...COMMUNICATIONS BACnet Communication 124 ...
Page 128: ...ACCESSORIES Optional Extension Cards 128 Frame D Frame E Frame F ...
Page 129: ...ACCESSORIES Optional Extension Cards 129 Frame G Frame H ...
Page 132: ...ACCESSORIES Optional Extension Cards 132 ...
Page 234: ...PARAMETER REFERENCE TABLES Parameter Descriptions Motor Menu 234 ...
Page 250: ...GLOSSARY 250 ...