Toshiba Tecra 700CS Maintenance Manual page 26

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 lights green, the power supply is normal. If not, go to Procedure
3.
Check 3 If the Battery icon lights yellow, the power supply is normal. If not, go to Proce-
dure 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
Error code (8 bit)
"1"
"0"
Interval between data bits
An error code begins with the least significant digit.
Example: Error code A1h (Error codes are given in hexadecimal format.)
Check 1 Convert the DC IN icon blink pattern into the hexadecimal error code and
compare it to the tables below.
DC power supplied through AC adapter or Desk Station
Error code
01h
02h
04h
05h
2-6
Off for two seconds
On for one second
On for a half second
Off for a half second
Meaning
AC Adapter output is over the maximum allowed limit.
Desk Station V output is over the maximum allowed limit.
Current from the DC power supply is over the maximum allowed limit.
Current from the DC power supply is over the maximum allowed limit
when there is no load.
700 Series