2.3 Power Supply Troubleshooting

2 Troubleshooting Procedures

Procedure 2 Error Code Check

If the power supply microprocessor detects a malfunction, the DC IN icon blinks orange. The blink pattern indicates an error as shown below.

q Start

Off for 2 seconds

qError code (8 bit)

“1”

 

 

 

 

 

 

On for one second

“0”

 

 

 

 

 

 

On for half second

Interval between data bits

 

 

 

 

On for half second

The error code begins with LSB (Least Significant bit)

 

 

 

 

Example: Error code 11h (Error codes are given in hexadecimal format.)

 

 

 

 

 

 

Read

 

 

 

 

On

 

 

 

 

 

 

 

 

 

1

0

0

0

1

0

0

0

Off

D0

D1

D2

D3

D4

D5

D6

D7

Start

Order

Check 1 Convert the DC IN icon blink pattern into the hexadecimal error code and compare it to the tables below. Then go to Check 2.

qDC power supply (AC adapter)

Error code

Meaning

 

 

10h

AC Adapter output voltage is over 16.5V.

 

 

11h

Commondock output voltage is over 16.5V.

 

 

12h

Current from the DC power supply is over 6.05A.

 

 

13h

Current from the DC power supply is over 0.5A when there is no load.

 

 

14h

Abnormal current has been sensed 0[A].

 

 

PORTEGE A100 Maintenance Manual (960-460)

2-9

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Toshiba A100 manual Procedure 2 Error Code Check, Error code Meaning

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