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 t he 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 comp uter correctly. If the batt ery 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 plugg ed 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 m ay be comp l et ely discharged. Wait a f ew m inutes 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.