Toshiba Satellite A110 Maintenance Manual - Page 41

Troubleshooting Procedures, 2 Troubleshooting Flowchart, Table 2-1 Battery LED, Procedure 1 - battery replacement

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2 Troubleshooting Procedures 2.2 Troubleshooting Flowchart 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 [CONFIDENTIAL] Satellite A110/Satellite Pro A110 Series Maintenance Manual

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2 Troubleshooting Procedures
2.2 Troubleshooting Flowchart
2-8
[CONFIDENTIAL]
Satellite A110/Satellite Pro A110 Series Maintenance Manual
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
LED colors
Definition
Amber, solid on
Battery charging with AC .
Green, solid on
Battery fully charged by AC
Charging
Green color off
Battery abnormal stop charging with AC
(Bad cell/ Overheated)
Amber, blinking
(LED on for 1 second
every 4 seconds)
Battery within low state: 12 minutes
remaining
Amber, blinking
(LED on for 1 second
every 2 seconds)
Battery within critical low state: 3
minutes remaining. The system is
protected and cannot be re-powered on
without the AC power connected.
Discharging
Amber color off
Battery not in low or critical low state;
It’s in discharging state