Toshiba Tecra M5 Maintenance Manual page 68

2 Troubleshooting Procedures
Procedure 4 Charge Check
The power supply may not charge the battery pack. Perform the following procedures:
1. Reinstall the battery pack.
2. Attach the AC adaptor and turn on the power. If you cannot turn on the power, go to
Procedure 5.
3. Run the Diagnostic test, go to System test and execute subtest 04 (Quick charge)
described in Chapter 3.
4. When charge is complete, the diagnostics test displays the result code. Check the
result code against the table below and perform any necessary check.
Result code
0
1
2
3
4
5
6
7
8
Check 1 Make sure the AC adaptor and AC power cord are firmly plugged into the DC IN
socket and the wall outlet. If these cables are connected correctly, replace the AC
adaptor (and/or AC power cord, if necessary).
Check 2 Make sure the battery is properly installed. If the battery is properly installed, go
to Check 3.
Check 3 The battery pack may be completely discharged. Wait a few minutes to charge the
battery pack. If the battery pack is still not charged, go to Check 4.
Check 4 The battery's temperature is too hot or cold. Return the temperature to a normal
operating condition. If the battery pack still is not charged, go to Check 5.
Check 5 Replace the battery pack with a new one. If the battery pack still is not charged,
go to Procedure 5.
2-14
Table 2-4 Result code
Contents
The battery is charging normally.
The battery is fully charged.
The AC adaptor is not attached.
The AC adaptor's output voltage is not normal.
The battery is not installed.
The battery's output voltage is not normal.
The battery's temperature is not normal.
A bad battery is installed.
Any other problems.
[CONFIDENTIAL]
2.3 Power Supply Troubleshooting
TECRA M5 Maintenance Manual (960-542)
Check items
Normal
Normal
Check 1
Check 1
Check 2
Check 3
Check 4
Check 2
Check 5