2 Troubleshooting 2.3 Power Supply Troubleshooting
2-12 [CONFIDENTIAL] TECRA M4 Maintenance Manual (960-521)
PGV output (P64)
Error code Meaning
80h PGV voltage is over 6.00V when the computer is powered on/off.
81h PGV voltage is 4.5V or less when the computer is powered on.
82h PGV voltage is 4.5V or less when the computer is booting up.
83h PGV voltage is 4.5V or more when the computer is powered off.
84h PGV voltage is 4.5V or less when the computer is suspended.
PTV output (P65)
Error code Meaning
90h PTV voltage is over 1.26V when the computer is powered on/off.
91h PTV voltage is 0.89V or less when the computer is powered on.
92h PTV voltage is 0.89V or less when the computer is booting up.
93h PTV voltage is 0.89V or more when the computer is powered off.
94h PTV voltage is 0.89V or less while the computer is suspended.
1R9-B1V output (P66)
Error code Meaning
A0h 1R9-B1V voltage is over 2.4V when the computer is powered on/off.
A1h 1R9-B1V voltage is 1.53V or less when the computer is powered on.
A2h 1R9-B1V voltage is 1.53V or less when the computer is booting up.
A3h 1R9-B1V voltage is 1.53V or more when the computer is powered off.
A4h 1R9-B1V voltage is 1.53V or less while the computer is suspended.
PGV output (P63 : MUX_CH1)
Error code Meaning
B0h PGV voltage is over 1.62V when the computer is powered on.
B1h PGV voltage is 0.68V or less when the computer is powered on.
B2h PGV voltage is 0.68V or less when the computer is booting up.
B3h PGV voltage is 0.68V or more when the computer is powered off.