Control System
36
Service Manual – Floortec R 870
Troubleshooting
Trouble
Possible Cause
Remedy
(
For Floortec R 870 Battery
)
When turning the ignition key to “II”, the
display does not turn on and the machine
does not operate.
The battery connector is disconnected.
Connect the battery connector.
The fuse (F3) and/or (F0) is open.
Check/replace the fuses.
The emergency push-button has been
pressed.
Check and release the emergency push-
button.
(
For Floortec R 870 Petrol/LPG
)
“L O U” (A) (Low Voltage) display indication
Battery voltage lower than 24.0 V.
Decrease the main broom pressure on the
floor.
“L O U” (A) (Low Voltage) display indication
If the problem persists, it may be necessary
to calibrate the engine rpm (see Petrol
Engine – LPG Engine chapter).
(
For Floortec R 870 Petrol/LPG
)
“H I U” (A) (High Voltage) flashing display
indication
Battery voltage higher than 32.4V.
Turn off the engine each time the machine is
stopped.
If the problem persists, it may be necessary
to calibrate the engine rpm (see Petrol
Engine chapter).
A
P200247