2 Troubleshooting Procedures
PORTEGE R300 Maintenance Manual (960-591) [CONFIDENTIAL] 2-17
PTV output
Error code Meaning
E0h PTV voltage is over 1.26V when the computer is powered on/off.
E1h PTV voltage is under 0.89V when the computer is powered on.
E2h PTV voltage is under 0.89V when the computer is booting up.
Miscellaneous
Error code Meaning
F0h The sub clock does not oscillate.
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.
Check 3 In the case of error code 22h to 25h:
Make sure the battery pack is correctly installed in the computer. If the
battery pack is correctly installed, go to Procedure3.
Check 4 For any other error, go to Procedure 5.
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