2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
PORTEGE R500 Maintenance Manual (960-634) [CONFIDENTIAL] 2-11
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 compute r is po wered on.
E2h PTV voltage is under 0.89V when the compute r is bo oting 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 2Xh:
Make sure the battery pack is correctly installed in the computer. If the
battery pack is correctly installed, go to the following step:
Replace the battery pack with a new one. If the error still exists, go to
Procedure 5.
Check 4 For any other error, go to Procedure 5.