2 Troubleshooting Procedures

2.3 Power Supply Troubleshooting

‰ E5V output

Error code

Meaning

 

 

50h

E5V voltage is over 6.00V when the computer is powered on/off.

 

 

51h

E5V voltage is under 4.50V when the computer is powered on.

 

 

52h

E5V voltage is under 4.50V when the computer is booting up.

 

 

53h

E5V voltage is over 4.50V when the computer is powered off.

 

 

54h

E5V voltage is under 4.50V when the EV power supply is maintained.

 

 

‰ E3V output

Error code

Meaning

 

 

60h

E3V voltage is over 3.96V when the computer is powered on/off.

 

 

61h

E3V voltage is under 2.81V when the computer is powered on.

 

 

62h

E3V voltage is under 2.81V when the computer is booting up.

 

 

63h

E3V voltage is over 2.81V when the computer is powered off.

 

 

64h

E3V voltage is under 2.81V when the EV power supply is maintained.

 

 

‰1R5-E1V output (CH0)

Error code

Meaning

 

 

70h

1R5-E1V voltage is over 1.80V when the computer is powered on/off.

 

 

71h

1R5-E1V voltage is under 1.275V when the computer is powered on.

 

 

72h

1R5-E1V voltage is under 1.275V when the computer is booting up.

 

 

73h

1R5-E1V voltage is over 1.275V when the computer is powered off.

 

 

‰1R8-B1V output

Error code

Meaning

 

 

80h

1R8-B1V voltage is over 3.00V when the computer is powered on/off.

 

 

81h

1R8-B1V voltage is under 1.53V when the computer is powered on.

 

 

82h

1R8-B1V voltage is under 1.53V when the computer is booting up.

 

 

83h

1R8-B1V voltage is over 1.53V when the computer is powered off.

 

 

84h

1R8-B1V voltage is under 1.53V when the BV power supply is

 

maintained.

2-10

[CONFIDENTIAL]

TECRA S3 Maintenance Manual (960-532)

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Image 52
Toshiba S4 manual ‰ E5V output