Toshiba M10 User Manual
Page 55

2.3 Power Supply Troubleshooting
2 Troubleshooting Procedures
Satellite Pro M10 Series Maintenance Manual (960-431)
2-9
Procedure 2
Error Code Check
If the power supply microprocessor detects a malfunction, the DC IN LED blinks orange. 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
The error code begins with the least significant digit.
Example: Error code 12h (Error codes are given in hexadecimal format.)
ON
OFF
0
0
0
0
0
0
1
1
Start
Bit 0
1
2
3
4
5
6
7
Read
Order
Check 1 Convert the DC IN LED blink pattern into the hexadecimal error code and
compare it to the tables below.
DC IN
Error code
Meaning
10h
AC Adaptor output voltage is more than 16.5 V.
11h
Advanced Port Replicator II output voltage is more than 16.5 V.
12h
Current from the DC power supply is more than the limit (6.05 A).
13h
Current from the DC power supply is more than the limit (0.5 A) when
there is no load.
14h
Current sensing IC is not normal.