2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
PGV output
Error code Meaning
80h PGV voltage is over 1.92V when the computer is powered on/off.
81h PGV voltage is 0.68V or less when the computer is powered on.
82h PGV voltage is 0.68V or less when the computer is booting up.
83h PGV voltage is 0.68V or more when the computer is powered off.
84h PGV voltage is 0.68V or less when the computer is suspended.
E5V output
Error code Meaning
90h E5V voltage is over 6.00V when the computer is powered on/off.
91h E5V voltage is 4.50V or less when the computer is powered on.
92h E5V voltage is 4.50V or less when the computer is booting up.
93h E5V voltage is 4.50V or more when the computer is powered off.
94h E5V voltage is 4.50V or less when the computer is suspended.
E3V output
Error code Meaning
A0h E3V voltage is more than 3.96V when the computer is powered on/off.
A1h E3V voltage is 2.81V or less when the computer is powered on.
A2h E3V voltage is 2.81V or less when the computer is booting up.
A3h E3V voltage is 2.81V or more when the computer is powered off.
A4h E3V voltage is 2.81V or less when the computer is suspended.
1R2-PIV output
Error code Meaning
B0h 1R2-PIV voltage is over 1.44V.
B1h 1R2-PIV voltage is 1.02V or less when the computer is powered on.
B2h 1R2-PIV voltage is 1.02V or less when the computer is booting up.
B3h 1R2-PIV voltage is 1.02V or more when the computer is powered off.
2-10 TECRA M1 Maintenance Manual (960-436)