Toshiba 70CT User Guide - Page 40

Battery pack, B5V,VCC output, B3V output, Power supply microcontroller, CPU environmental condition

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2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting q Battery pack Error code Meaning 10h Battery voltage is over the limit 11h Battery charge current is over the limit 12h Battery discharge current is over the maximum allowed limit when there is no load 13h Battery voltage is under the limit q B5V,VCC output Error code Meaning 20h VCC voltage is over the limit 21h VCC voltage is under the limit 22h VCC does not start up when power supply is turned on q B3V output Error code Meaning 30h B3V voltage is over the limit 31h B3V voltage is under the limit 33h B3V does not start up when the power supply is turned on q Power supply microcontroller Error code Meaning 50h Firmware or program error q CPU environmental condition Error code Meaning 80h CPU temperature is outside the allowable range 88h CPU overheat (The CPU heat sensor has detected overheating and has automatically shut down) Libretto 50CT/70CT Maintenance Manual 2-7

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2
Troubleshooting Procedures
2.3
Power Supply Troubleshooting
Libretto 50CT/70CT Maintenance Manual
2-7
q
Battery pack
Error code
Meaning
10h
Battery voltage is over the limit
11h
Battery charge current is over the limit
12h
Battery discharge current is over the maximum allowed
limit when there is no load
13h
Battery voltage is under the limit
q
B5V,VCC output
Error code
Meaning
20h
VCC voltage is over the limit
21h
VCC voltage is under the limit
22h
VCC does not start up when power supply is turned on
q
B3V output
Error code
Meaning
30h
B3V voltage is over the limit
31h
B3V voltage is under the limit
33h
B3V does not start up when the power supply is turned on
q
Power supply microcontroller
Error code
Meaning
50h
Firmware or program error
q
CPU environmental condition
Error code
Meaning
80h
CPU temperature is outside the allowable range
88h
CPU overheat
(The CPU heat sensor has detected overheating and
has automatically shut down)