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2 Troubleshooting 2.3 Power Supply Troubleshooting
2-10 [CONFIDENTIAL] TECRA M4 Maintenance Manual (960-521)
DC power supply (AC adapter)
Error code Meaning
10h AC Adapter output voltage is over 16.5V.
11h Dock output voltage is over 16.5V.
12h Current from the DC power supply is over 7.0A.
13h Current from the DC power supply is over 0.5A when there is no load.
14h Abnormal current has been sensed 0[A].
First Battery
Error code Meaning
20h Overvoltage is detected. (This is not supported.)
21h Main battery charge current is over 7.00A.
22h Main battery discharge current is over 3.9A when there is no load.
23h Main battery charge current is over 3.9A when AC adapter is not
connected.
24h Abnormal current has been sensed 0[A].
25h Main battery charge current is over 0.3A.
Second Battery
Error code Meaning
30h Overvoltage is detected. (This is not supported.)
31h Second battery charge current is over 7.00A.
32h Second battery discharge current is over 3.9A when there is no load.
33h Second battery charge current is over 3.9A when AC adapter is not
connected.
34h Abnormal current has been sensed 0[A].
35h Second battery charge current is over 0.3A.