2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
S3V output
Error code Meaning
40h S3V voltage is 3.14V or less when the computer is powered on/off.
45h S3V voltage is 3.14V or less when the computer is booting up. (CV
support)
1R5-C1V output
Error code Meaning
50h 1R5-C1V voltage is over 1. 80V when the computer is powered on/off.
51h 1R5-C1V voltage is 1.275V or less when the computer is powered on.
52h 1R5-C1V voltage is 1.275V or less when the computer is booting up.
53h 1R5-C1V voltage is 1.275V or less when the computer is suspended.
54h 1R5-C1V voltage is abnormal when the computer shuts down. (CV
support)
55h 1R5-C1V voltage is 1.275V or less when the computer is booting up.
(CV support)
1R8-C1V output
Error code Meaning
60h 1R8-C1V voltage is over 2.16V when the computer is powered on/off.
61h 1R8-C1V voltage is 1.53V or less when the computer is powered on.
62h 1R8-C1V voltage is 1.53V or less when the computer is booting up.
63h 1R8-C1V voltage is 1.53V or less when the computer is suspended.
64h 1R8-C1V voltage is abnormal when the computer shuts down. (CV
support)
65h 1R8-C1V voltage is 1.53V or less when the computer is booting up.
(CV support)
PPV output
Error code Meaning
70h PPV voltage is over 1.80V when the computer is powered on/off.
71h PPV voltage is 0.56V or less when the computer is powered on.
72h PPV voltage is 0.56V or less when the computer is booting up.
73h PPV voltage is 0.56V or more when the computer is powered off.
TECRA M2 Maintenance Manual (960-468) 2-9