Kennmex MPOS50-8B-LX800 Service Manual page 8

Error Code Symptom
Unable to
3601 detect CF /
Unstable CF
Data Can't read
3602
and write
CMOS
3500
checksum error
Touch
3400
malfunction
Check Points
1. CF Card
2. CF Slot
3. MB
1. CF
2. MB
1. MB
1. Driver (NA)
2. Touch to.MB cable
3. MB
4. Touch panel
8/55
Detail Steps
1. Shut Down Power, remove battery module/ remove
MSR module base/ I/O Cover, open rear cover, open EMI
chassis, remove inverter cable on M/B (CN1),
3. Check if CF Card well connected with CF Slot
4. If yes to item 3, remove CF card, check if pins on CF
slot located at the correct position
5. If CF slot is damaged, go to item 7; if CF slot is not
damaged go to item 6
6. If yes to item 4, replace with another CF card for testing
7. If fail, replace with MB for testing
8 If fail, system RMA to manufacturer
1. Shut Down Power, remove battery module/ remove
MSR module base/ I/O Cover, open rear cover, open EMI
chassis, remove inverter cable on M/B (CN1), check if CF
Card well connected with CF Slot
2. If yes to item 2, replace with another CF card for testing
3. If fail, replace with MB for testing
4 If fail, system RMA to manufacturer
1. Shut Down Power, remove battery module/ remove
MSR module base/ I/O Cover, open rear cover, open EMI
chassis, remove inverter cable on M/B (CN1), replace with
another MB for testing
2. If fail, system RMA to manufacturer
1. Reinstall touch driver
2. If fail, shut down power, remove battery module/ remove
MSR module base/ I/O Cover, open rear cover, open EMI
chassis, remove inverter cable on M/B (CN1), check if
touch panel cable well connected with MB
3. If yes to item 2, replace with another MB for testing
4. If fail, replace with another touch panel for testing
5. If fail, RMA system to manufacturer
Rev. 1.1