LG G3F-AD4A User Manual page 88

Chapter 9. TROUBLESHOOTING
9.2.3 Digital Value Unreadable from the CPU Module
Digital value unreadable from CPU?
Channel enabled for A/D conversion?
Channel enabled for A/D conversion?
Yes
No
Cables connected without fault?
Yes
No
See the Section 9.2.6
9.2.4 Sudden Digital Value Change
Sudden digital value change.
AGND are connected with SLD terminal?
Yes
No
The FG terminal of the A/D conversion
module is connected with the FG terminal of
the power supply module?
Yes
No
See the Section 9.2.6
See the available channel number and enable the
correct channel.
See the Section 9.2.2
Connect AGND with SLD terminal
Connect the FG terminal of the A/D
conversion module with the FG terminal of
the power supply module
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