Operating Instructions

Warning Codes
Digital Keypad RT-KEYPAD
294 | 443
Reset condition
N/A
Record
N/A
Cause
Corrective Actions
The Ethernet cable is loose
Reconnect the cable
Bad quality of the Ethernet cable
Replace the cable
ID No.
Display on LCD Keypad
Warning Name
Description
81
Communication time-out
(ECto)
Communication time-out for the communication card and the upper
unit
Action and Reset
Action level
N/A
Action time
N/A
Warning setting parameter
N/A
Reset method
N/A
Reset condition
N/A
Record
N/A
Cause
Corrective Actions
Communication card is not connected with
the upper unit
Check if the connection of the communication cable is correct
Communication error of the upper unit
Check if the communication of the upper unit is normal
ID No.
Display on LCD Keypad
Warning Name
Description
82
Checksum error (ECCS)
Checksum error for the communication card and the drive
Action and Reset
Action level
Software detection
Action time
N/A
Warning setting parameter
N/A
Reset method
Manual reset
Reset condition
Immediately reset
Record
N/A
Cause
Corrective Actions
Noise interference
Verify the wiring of the control circuit, and the wiring/grounding of the main circuit to prevent
interference.