Wheel System, Traction
207
Service Manual – Floortec R 870
Drive System Electronic Board Error Codes Table
No. of
flashes of
the warning
light (A)
MEANING
FIRST PROCEDURE
IF THE PROBLEM PERSISTS
2
Not active
-
-
3
Potentiometer wiring harness
error
Check the pedal wiring harness R1
Repair the wiring harness or replace
the pedal
4
Potentiometer activated at
start-up
Check that the pedal is not pressed (the
potentiometer output must be <1V as to the
battery negative terminal)
Replace the pedal or perform the
calibration procedures described
above
5
Thermal protection
Allow the electronic board to reduce the inner
temperature while leaving the machine stopped for
a few minutes
Check the amperage of the driving
wheel
6
Damaged power stage
Replace the EB1 electronic board
-
7
Overcurrent
Check the amperage of the driving wheel
-
8
Open external electromagnetic
switch
Check the ES0 electromagnetic switch operation
and the electronic board power wiring harness
integrity.
Replace the EB1 electronic board
9
Undervoltage
Check the battery voltage
Replace the damaged batteries
10
Overvoltage
Check the battery voltage and the power
connection tightening
-
11
Amperometric protection
Check the amperage of the driving wheel
-
12
Not active
-
-
13
Switching off sequence detected Check the machine switch on control wiring
harness from SW0 to SW1 to K4
Replace SW0, SW1, K4.
14
EEPROM error
Switch on the machine again
Replace the EB1 electronic board
A
P200195