2 Troubleshooting 2.3 Power Supply Troubleshooting
2-6 [CONFIDENTIAL] Satellite R20/TECRA M7 Maintenance Manual (960-572)
2.3 Power Supply Troubleshooting The power supply controller controls many functions and components. To determine if the
power supply is functioning properly, start with Procedure 1 and continue with the other
Procedures as instructed. The procedures described in this section are:
Procedure 1: Power Supply Icon Check
Procedure 2: Error Code Check
Procedure 3: Connection Check
Procedure 4: Quick Charge Check
Procedure 5: Replacement Check