Drive System Electronic Board Diagnostic Table - Advance acoustic Adfinity 17ST Service Manual

ENGLISH SERVICE MANUAL
DRIVE SYSTEM
TROUBLESHOOTING (Continues)

Drive system electronic board diagnostic table

No. of
flashes (*)
Drive system/brush enabling microswitch
1
closed when starting the machine
2 Faulty speed potentiometer
3 Faulty speed potentiometer
Speed potentiometer off neutral when
4
starting the machine
5 Thermal protection
6 Faulty drive system electronic board
7 Overcurrent output
8 Missing power connection
9 Low battery voltage
10 High battery voltage
11 Overload output
12 (Not applicable)
13 Ignition key wrong sequence
14 Software error
(*) Flashing of led (A) of the drive system electronic board (B)
74
9096982000
Meaning
A
Adfinity™ 17ST / 20ST / X20R / 20D / X20D / X20C / X24D
Check the microswitch adjustment
Check both speed potentiometers
Check both speed potentiometers
Check the speed potentiometer adjustment
Check the drive system motor electrical input
Replace the drive system electronic board
Check the drive system motor electrical input; if the electrical input is normal,
replace the drive system electronic board
Check the drive system fuse and the drive system electronic board wiring
harness; if the fuse and the wiring harness are normal, replace the drive system
electronic board
Charge the batteries
Check the batteries
Check the drive system motor electrical input
--
Check for false contacts in the ignition key – function electronic board – drive
system electronic board circuit (orange cables)
Replace the drive system electronic board
B
Action
S301565A