Omron V640 - MANUAL 2 User Manual page 96

Operation Check Flowchart
■ Normal Operation Mode
Error occurrence
POWER-LED is off.
No
There is a
response to message
transmission.
(SSNAK = other than
"NO")
No
All LEDs are lit
or flashing.
No
Check if the settings of the CIDRW Controller and Amplifier Unit are correct.
When the CIDRW Controller fails to respond to messages sent to it
When an error unrelated to message transmission and responses occurs
• Operating normally in the Normal Operation mode
Indicators
POWER OPERATING
Response
Response
S F
— — SSACK="NO"
An error has occurred in the CIDRW Controller power supply.
Yes
Check the power supply of the CIDRW power supply.
Yes
Check the contents of the response message.
When the CIDRW Controller responds to a message transmis-
sion
Yes
An error has occurred at the CIDRW Controller.
Check the status of the indicators.
When all the LEDs are lit or flashing
ALARMS BUSY ERROR
Refer to page 94.
Refer to page 95.
Refer to page 95.
Function
SECTION 5
Troubleshooting
Refer to page 94.
CIDRW System
93
User's Manual