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2.3 Power Supply Troubleshooting 2 Troubleshooting
TECRA M4 Maintenance Manual (960-521) [CONFIDENTIAL] 2-13
E3V output (P64)
Error code Meaning
C0h E3V voltage is over 3.96V when the computer is powered on.
C1h E3V voltage is 2.81V or less when the computer is powered on.
C2h E3V voltage is 2.81V or less when the computer is booting up.
C3h E3V voltage is 2.81V or more when the computer is powered off.
C4h E3V voltage is 2.81V or less while the computer is suspended.
PTV output (P65 : MUX_CH1)
Error code Meaning
D0h PTV voltage is over 1.26V when the computer is powered on.
D1h PTV voltage is 0.89V or less when the computer is powered on.
D2h PTV voltage is 0.89V or less when the computer is booting up.
D3h PTV voltage is 0.89V or more when the computer is powered off.
D4h PTV voltage is 0.89V or less while the computer is suspended.
1R9-B1V output (P66 : MUX_CH1)
Error code Meaning
E0h 1R9-B1V voltage is over 2.4V when the computer is powered on.
E1h 1R9-B1V voltage is 1.53V or less when the computer is powered on.
E2h 1R9-B1V voltage is 1.53V or less when the computer is booting up.
E3h 1R9-B1V voltage is 1.53V or more when the computer is powered off.
E4h 1R9-B1V voltage is 1.53V or less while the computer is suspended.