2 - 6
710CDT/720CDT
Table 2-2 DC IN icon
DC IN icon
Power supply status
Lights green
DC power is being supplied from the AC adapter,
or Desk Station V Plus.
Blinks green
Power supply malfunction.
*3
Doesn't light
Any condition other than those above.
*3
When the power supply controller detects a malfunction, the DC IN icon
blinks and an error code is displayed.
To check the power supply status, install a battery pack and connect an AC adapter.
Check 1
If the DC IN icon flashes yellow, go to Procedure 2.
Check 2
If the DC IN icon does not light, go to Procedure 3.
Check 3
If the Battery icon does not light yellow or green, go to Procedure 4.
Procedure 2
Error Code Check
If the microprocessor detects a malfunction, the DC IN icon blinks yellow. The blink pattern
indicates an error, as shown below.
❑
Start
Off for 2 seconds
❑
Error code (8 bit)
"1"
On for one second
"0"
On for a half second
Interval between data bits
Off for a half second
An error code begins with the least significant digit.
Example: Error code 12h (error codes are displayed in a hexadecimal format.)
Check 1
Convert the DC IN icon blink pattern into the hexadecimal error code and compare
it to the following tables.
Summary of Contents for Tecra 710CDT
Page 187: ...B 2 710CDT 720CDT B 2 System Board Back View Figure B 2 System board layout back ...
Page 207: ...C 16 710CDT 720CDT ...
Page 221: ...G 2 710CDT 720CDT ...
Page 222: ...710CDT 720CDT G 3 ...