NaceCare Solutions TTV678 - Manual (Page 25)

233890 05/11 (A03)
25
Number of bars flashing on display
Fault
Possible Cause
Ef
fect on Product
Investigate the Following
Action Required
If Fault Persists.
* 6 Bars flash continuously
.
* Control system is Inhibiting drive.
* Faulty controller
.
* Machine will not operate.
* Check controller for water damage.
* Replace controller
.
*7 Bars flash once with pause
* Accelerator pedal trip.
* Accelerator pedal being activated without seat switch being activated (nobody on seat) Or seat switch momentarily deactivated while accelerator pedal being activated during forward / reverse operation.
* Machine will not drive.
* Ensure accelerator pedal is not activated without seat switch being activated. Ensure firm contact with seat by operator at all times while accelerator is pressed.
* Operator to be trained.
* 7 Bars flash twice with pause.
“ Emergency stop has been activated. * Of
f aisle cleaning activated with floor
tool raised.
* Inadvertent pressing of emergency stop or activation of of
f-aisle cleaning mode.
* Machine will not drive.
* Ensure emergency Stop button has not been activated and of
f aisle vac switch is in of
f position
with floor tool raised.
* Reset emergency stop button. Switch of
f aisle
vac and raise floor tool. * Cycle key switch to resume normal operation.
* 7 Bars flash 3 times with pause.
* V
ac Motor system short circuit.
* V
ac motor wiring fault / motor fault.
* V
ac motor will not operate.
* Check vacuum motor and wiring
* Replace motor and any damaged wiring. * Cycle key switch to resume normal operation.
* 8 Bars flash continuously
.
* Control system trip.
* Seat switch failure.
* Machine does not operate.
* Check seat switch wiring.
* Replace wiring as required.
* 9 Bars flash once with pause.
* Flashing beacon failure to operate.
* Beacon short circuit.
* Flashing beacon does not operate in accordance with safety require
-
ments.
* Check wiring and connections to device.
* Replace damaged components. * Cycle Key switch to resume normal operation.
* 9 Bars flash 3 times with pause.
* W
ater pump failure to operate.
* Failure of pump or wiring short circuit.
* No water supplied to cleaning heads.
* Check wiring and connections to pump.
* Replace damaged components. * Cycle Key switch to resume normal operation.
* 9 Bars flash 4 times with pause.
* Detergent pump failure to operate.
* Failure of pump or wiring short circuit.
* No detergent supplied in water mix to cleaning head.
* Check wiring and connections to pump.
* Replace damaged components. * Cycle Key switch to resume normal operation.
* 9 Bars flash 5 times with pause.
* Solenoid brake circuit failure.
* Failure of solenoid or wiring.
* Machine will not move.
* Check wiring and connections to brake.
* Replace damaged components. * Cycle Key switch to resume normal operation.
* 10 bars flash continuously
* Supply voltage to controller has exceeded 40 volts.
* Battery and motor connections may have become loose.
* Possible long term damage to controller if fault persists.
* Check battery wiring, trio drive and motor connections.
* Replace damaged components. * Cycle Key switch to resume normal operation.
* Bars cycle up and down continuously (from 1 to 10 and 10 back to 1) and repeats.
* Accelerator pedal movement detected during V
ario start up se-
quence (partially pressed or jammed).
* Foot or object on pedal during switch on or possible jamming of pedal.
* Machine will not operate.
* Remove object and ensure pedal is not jammed or depressed during switch on of V
ario.
* Cycle Key switch to resume normal operation .
* Bars cycle from 1 to 10 continuously and repeats.
* Machine inhibit.
* Controller/harness incorrectly wired.
* Machine will not operate.
* Check controller and harness wiring with special attention to wires p2/03 and p2/10.
* Correct wiring. * Cycle Key switch to resume normal operation
* No indication on display
.
* Horn and beacon failure.
* Replace 20
Amp fuse (If this doesn’t fix fault replace horn or beacon)
* No indication on display
.
* Brush motors continuously either of
f
or on while in transport mode.
* Microswitch failure.
* Brushes will not operate correctly
.
* Check wiring and microswitch on underside of machine by brushes ensuring microswitch is clear of debris.
* Replace/clean damaged components.
* No indication on display
.
* V
AC motor continuously either of
f
or on.
* Microswitch failure.
* V
acuum will not operate correctly
.
* Check wiring and microswitchs behind floor tool handle.
* Replace/clean damaged components.
Contact Service Agent.