235670 10/11 (A07)
43
^&'';
Fault
Possible Cause
Ef
fect on Product
Investigate the Following
Action Required
If Fault
Persists.
|
"
* Control system is Inhibiting drive.
* Faulty controller
.
* Machine will not operate.
* Check controller for water damage.
* Repla
ce controller
.
%
*
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
';"`&
with seat by operator at all times while accelerator
is pressed.
* Operator to be trained.
%"
“ Emergency stop has been activated.
]
;
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
;"
* Reset emergency stop button. Switch of
f aisle
;"
* Cycle key switch to resume normal operation.
%J&"
* V
ac Motor system short circuit.
* V
ac motor wiring fault / motor fault.
* V
ac motor will not o
perate.
* Check vacuum motor and wiring
* Replace motor and any damaged wiring.
* Cycle key switch to resume normal operation.
~
"
* Control system trip.
* Seat switch failure.
* Machine does not operate.
* Check seat switch wiring.
* Replace wiring as required.
"
* 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.
J&"
* 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.
X&"
* Detergent pump failure to operate.
* Failure of pump or wiring short circuit.
* No detergent s
upplied in water mix
to cleaning head.
* Check wiring and connections to pump.
* Replace damaged components.
* Cycle Key switch to resume normal operation.
!&"
* Solenoid brake circuit failure.
* Failure of solenoid or wiring.
* Machine will not move.
* Che
ck wiring and connections to brake.
* Replace damaged components.
* Cycle Key switch to resume normal operation.
$'
* 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.
@
&=Y;_'>
* 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
.
#;&';
handle.
* Replace/clean damaged components.
Contact Service Agent.
Summary of Contents for TTV 678-300
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