2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
PTV output
Error code Meaning
C0h PTV voltage is over 1.26V when the computer is powered on/off.
C1h PTV voltage is 0.89V or less when the computer is powered on.
C2h PTV voltage is 0.89V or less when the computer is booting up.
C3h PTV voltage is 0.89V or more when the computer is powered off.
C4h PTV voltage is 0.89V or less when the computer is suspended.
1R25-P1V output
Error code Meaning
D0h 1R25-P1V voltage is over 1.50V when the computer is powered on/off.
D1h 1R25-P1V voltage is 1.063V or less when the computer is powered
on.
D2h 1R25-P1V voltage is 1.063V or less when the computer is booting up.
D3h 1R25-P1V voltage is 1.063V or more when the computer is powered
off.
D4h 1R25-P1V voltage is 1.063V or less when the computer is suspended.
2R5-E2V output
Error code Meaning
E0h 2R5-E2V voltage is over 3.00V when the computer is powered on/off.
E1h 2R5-E2V voltage is 2.125V or less when the computer is powered on.
E2h 2R5-E2V voltage is 2.125V or less when the computer is booting up.
E3h 2R5-E2V voltage is 2.125V or more when the computer is powered off.
E4h 2R5-E2V voltage is 2.125V or less when the computer is suspended.
Check 2 In the case of error code 10h or 12h:
Make sure the AC adaptor cord and AC power cord are firmly plugged into
the DC IN 15 V socket and wall outlet. If the cables are connected correctly,
go to the following step:
Connect a new AC adaptor and/or AC power cord, if necessary. If the error
still exists, go to Procedure 5.
TECRA M1 Maintenance Manual (960-436) 2-11