Operating Instructions

Warning Codes
Digital Keypad RT-KEYPAD
291 | 443
ID No.
Display on LCD Keypad
Warning Name
Description
72
ExCom test mode (ECtt)
The communication card is in the test mode
Action and Reset
Action level
The communication card is in the test mode
Action time
Immediately act
Warning setting parameter
N/A
Reset method
Cycle the power and enter the normal mode
Reset condition
N/A
Record
N/A
Cause
Corrective Actions
Communication command error
Cycle the power
ID No.
Display on LCD Keypad
Warning Name
Description
73
ExCom Bus off
(ECbF)
The communication card detects too many errors in the BUS, then
enters the BUS-OFF status and stop communicating.
Action and Reset
Action level
When the drive detects BUS-off (for DeviceNet)
Action time
Immediately act
Warning setting parameter
N/A
Reset method
Cycle the power
Reset condition
N/A
Record
N/A
Cause
Corrective Actions
Poor connection of the cable
Re-connect the cable
Bad quality of the cable
Replace the cable
ID No.
Display on LCD Keypad
Warning Name
Description
74
ExCom no power (ECnP)
There is no power supply of the DeviceNet
Action and Reset
Action level
When there is no power supply of the DeviceNet
Action time
Immediately act