Toshiba Tecra A3 Maintenance Manual - Page 43
Procedure 1, Power Status Check, Battery State, LED colors, Definition
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2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting The power supply 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 flowchart in Figure 2-2 gives a summary of the process. The procedures described in this section are: Procedure 1: Power status check Procedure 2: Adaptor / battery replacement Procedure 3: Power supply connection check Procedure 4: Diagnostic check Procedure 5: Internal connection check Procedure 1 Power Status Check The following LEDs indicate the power supply status: Battery LED DC-IN LED The power supply controller displays the power supply status through the Battery and the DC-IN LEDs as listed in the tables below. Table 2-1 Battery LED Battery State Charging Discharging LED colors Definition Amber, solid on Battery charging with AC . Green, solid on Battery fully charged by AC Green color off Battery abnormal stop charging with AC (Bad cell/ Overheated) Amber, blinking Battery within low state: 12 minutes (LED on for 1 second remaining every 4 seconds) Amber, blinking Battery within critical low state: 3 (LED on for 1 second minutes remaining. The system is every 2 seconds) protected and cannot be re-powered on without the AC power connected. Amber color off Battery not in low or critical low state; It's in discharging state 2-8 Tecra A3/S2 Series Maintenance Manual