Chapter 4 Cu Status Indication By Led Indicators - Denso CU-7011 User Manual

Chapter 4 CU Status Indication by
According to the ON/OFF states of the POWER and DATA LED indicators, you may
check the machine status of the CU-7011 as listed below.
POWER
OFF
ON
ON
1
Flashing slowly*
Flashing slowly
Flashing slowly
3
Flashing quickly*
1
* At one-second intervals
2
* At 100-ms intervals
3
* At 50-ms intervals
LED Indicators
DATA
OFF
OFF
ON
ON
2
Flashing*
Flashing slowly
Flashing quickly
3
Machine status
Power off
Power on
Communicating with the host
Updating the CU system program
Waiting for retry after occurrence of a
CU system program updating error
System program failure
Solution: Contact your nearest dealer.
System program error
Solution: Restart the CU-7011. If this
error occurs frequently, contact your
nearest dealer.