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5.6 Functions Exclusive to the CU-311
5.6.1 Displaying the CU-311 Status
You can check the machine status of the CU-311 according to the ON/OFF states of the LED indicators
(POWER and DATA) as listed below. For the charging procedure, refer to Chapter 5, Section 5.5,
"Charging the Battery Cartridge."
POWER LED
DATA LED
Machine status
OFF OFF Power
off
ON OFF
Power
on
ON
ON
Communicating with the host
Flashing slowly*
1
ON
Updating the CU system program
Flashing slowly
Flashing*
2
Waiting for retry after occurrence of a CU
system program updating error
Flashing slowly
Flashing slowly
System program failure
Solution:
Contact your nearest dealer.
Flashing quickly*
3
Flashing quickly
System program error
Solution:
Restart the CU-311. If this error
occurs frequently, contact your nearest
dealer.
*
1
At one-second intervals
*
2
At 100-ms intervals
*
3
At 50-ms intervals