dynabook PORTEGE X30W-J, Maintenance Manual

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2 Troubleshooting Procedures
2-12
[CONFIDENTIAL] PORTÉGÉ X30W-J, dynabook V*/VZ*/VC* Series Maintenance Manual (960-941)
Check 1 Convert the flashing pattern of the DC IN /Battery indicator into the hexadecimal
error code and compare it to the tables below to clarify the cause of error.
Table 2-3 Error code (1/2)
Abnormal content Error code Meaning
AC adapter 0 [A] correction
value error
10h
Error detection &
400 mA current default value
AC adapter DC supply current
over rating
11h
AC adapter connection &
AC adapter current value >
DC-In normal current upper limit value
AC adapter DC supply current
no load over
12h
AC adapter all power off &
charge stop &
AC adapter current> 0.5A
AC adapter over rating 13h
AC adapter voltage >
DC-In normal voltage upper limit
DC adapter over rating 14h
Dock AC adapter voltage >
DC-In normal voltage upper limit
Output error at power start of
E system
power supply
20h
During power on sequence,
Waiting for PCNFEV signal assertion
1s timeout occurred
Steady-state output error at
power on of E system power
supply
21h
At power on steady time,
PCNFEV signal deassertion
Steady-state output error at
power off of E system power
supply (No output)
22h
Power off steady state &
When the PCNFEV signal is deasserted with the
EVON signal asserted
Steady-state output error at
power off of E system power
supply (With output)
23h
Power off steady state &
When the PCNFEV signal is asserted with the
EVON signal deasserted
Output error at startup of
system B power supply
30h
1s timeout occurs while waiting for PCNFBV
signal assertion during power on sequence.
B system power supply ON
steady output error
31h
PCNFBV signal deassertion at power on steady
state.
B system power supply OFF
steady output error (No
output)
32h
Power off steady state &
PCNFBV signal deasserted when BVON signal is
asserted
B system power supply OFF
steady output error (With
output)
33h
Power off steady state &
PCNFBV signal asserted when BVON signal is
deasserted.