Roma Medical Granada S743, User Manual, Page: 15 / 20

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If the freewheel device has been operated with the scooter switched on, the scooter
will not operate until the key switch has been turned off and on again.
Should a fault occur, the fault code indicator on the LCD display will indicate a flash
sequence which relates to the fault in the table below.
Flash
Code
Description Scooter
Condition
Action
1 Charge batteries Scooter will not
run Batteries less than 23.3v. Charge as
soon as possible.
2 Battery voltage too
low Scooter will not
run Batteries less than 16.5v. Charge
immediately.
3 Battery voltage too
high Scooter will not
run Possible excessive re-gen charging by
travelling downhill for long periods.
Turn power off / on to reset controller.
4 Current time limit out Scooter will not
run
Excessive current draw over long
periods. Turn off scooter and leave for
a few minutes before restarting.
5 Brake fault Scooter will not
run Check scooter is not in freewheel.
Possible faulty brake.
6 Thumb lever
displacement
Scooter will not
run
Check thumb lever is centred. Faulty
potentiometer.
7 Speed pot error Scooter will not
run Action as above and check loom for
damage / short circuit.
8 Motor error Scooter will not
run
Open motor circuit. Check motor
brushes and connections for contact
or short circuits.
9 Controller error Scooter will not
run Possible controller fault. Refer to
dealer.
Note: Should your scooter fail to operate after checking these possible problems,
consult your local ROMA dealer immediately.
If the scooter is switched on and not operated for a period of time (approx 10 minutes) it
may enter ‘sleep’ mode. This is indicated by the spanner flashing on / off continuously.
Simply switch the scooter off and on to reset the controller.
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