Toshiba T-Series T4900CT, Manual

Page: 26 / 214

T4900CT
2-9
Check 2 When P02 is displayed, perform the following steps:
❑
Make sure the Desk Station IV is firmly connected to the computer’s
expansion bus port.
❑
Replace the Desk Station IV with a new one.
If the status still exists, go to Check 4.
Check 3 When P01 is displayed, perform the following steps:
❑
Make sure the AC adapter’s cable and AC cord are firmly plugged into the
DC IN 18 V socket and wall outlet.
❑
Connect a new AC adapter.
If the status still exists, go to Check 4.
Check 4 When P04, P05, P11 is displayed, perform the following steps:
❑
Make sure the battery pack is correctly installed in the computer.
❑
Replace the battery pack with a new one.
If the status still exists, go to Procedure 4.
Check 5 When P80 is displayed, it indicates that the computer’s internal temperature is less
than –20°C or more than 110°C.
❑
Place the computer in the room air until the PC temperature normalizes.
❑
If P80 is displayed, even after the computer is placed in the room air until
the PC temperature normalizes, go to Procedure 4. A thermistor on the
power supply board might be damaged.
Check 6 When P80 is displayed, it indicates that the computer’s internal temperature is less
than -20°C or more than 120°C.
❑
Place the computer in the room air until the PC temperature normalizes.
❑
If P80 is displayed, even after the computer is placed in the room air until
the PC temperature normalizes, go to Procedure 4. A thermistor near the
CPU might be damaged.
Check 7 When P10, P12, P20, P21, P22, P30, P31, P32, P33, P40, P41, P42, P50, P51,
P60, or P61 is displayed, go to procedure 4.