DRIVE SYSTEM
ENGLISH
SERVICE MANUAL
34
9097065000(2)2009-06
Razor™ 20 / 20T
TROUBLESHOOTING (For Razor™ 20T) (Continues)
DRIVE SYSTEM ELECTRONIC BOARD DIAGNOSTIC TABLE
No. of lashes (*)
Meaning
Action
1
Drive system/brush enabling microswitch
closed when starting the machine
Check the microswitch adjustment
2
Faulty speed potentiometer
Check both speed potentiometers
3
Faulty speed potentiometer
Check both speed potentiometers
4
Speed potentiometer off neutral when
starting the machine
Check the speed potentiometer adjustment
5
Thermal protection
Check the drive system motor electrical input
6
Faulty drive system electronic board
Replace the drive system electronic board
7
Overcurrent output
Check the drive system motor electrical input; if the electrical input is
normal, replace the drive system electronic board
8
Missing power connection
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
9
Low battery voltage
Charge the batteries
10
High battery voltage
Check the batteries
11
Overload output
Check the drive system motor electrical input
12
(Not applicable)
--
13
Ignition key wrong sequence
Check for false contacts in the ignition key – function electronic board –
drive system electronic board circuit (orange cables)
14
Software error
Replace the drive system electronic board (B)
(*) Flashing of led (A) of the drive system electronic board (B)
A
B
S301565