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2 Troubleshooting Procedures
TECRA S3 Maintenance Manual (960-532) [CONFIDENTIAL] 2-13
Procedure 3 Connection Check
The power supply wiring diagram is shown below:
Any of the connectors may be disconnected. Perform Check 1.
Check 1 Disconnect the AC power cord from the wall outlet. Check the power cable for
breaks. If the power cord is damaged, connect a new AC power cord. If there is
no damage, go to Check 2.
Check 2 Connect a new AC adaptor or AC power cord.
• If the DC IN icon does not light, go to Procedure 5.
• If the battery icon does not light, go to Check 3.
Check 3 Make sure the battery pack is installed in the computer correctly. If the battery is
properly installed and the battery icon still does not light, go to Procedure 4.
Procedure 4 Charge Check
The power supply may not charge the battery pack. Perform the following procedures:
Check 1 Make sure the AC adaptor and AC power cord are firmly plugged into the DC IN
socket and the wall outlet.
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.