2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting Check 1 Compare the patterns in the hexadecimal error code to the tables below. DC IN
Error code Meaning
10h AC Adaptor output voltage is over 16.5V.
11h Common Dock voltage is over 16.5V.
12h Current from the DC power supply is over 7.00A.
13h Current from the DC power supply is over 0.5A when there is no load.
14h Current sensing IC is not normal.
1st Battery
Error code Meaning
20h Overvoltage is detected. (Not supported)
21h Main battery charge current is over 7.00A.
22h Main battery discharge current over 0.5A when there is no load.
23h Main battery charge current is over 4.3A when AC adapter is not
connected.
24h Current sensing IC is not normal.
25h Main battery charge current is over 0.3A.
2nd Battery
Error code Meaning
30h Overvoltage is detected. (Not supported)
31h Secondary battery charge current is over 7.00A.
32h Secondary battery discharge current is over 0.5A when there is no
load.
33h Secondary battery charge current is over 3.1A when AC adapter is not
connected.
34h Current sensing IC is not normal.
35h Secondary battery charge current is over 0.3A.

2-8 TECRA M2 Maintenance Manual (960-468)