45
LCD Display
Fault
Possible Cause
Ef
fect on Product
Investigate the Following
Action Required
I
f Fault
Persists.
Blank
* No power
* Key switched of
f
* T
ank
raised
* Emergency stop pressed
* Machine will not operate.
*Key switched of
f
* T
ank
raised
* Emergency stop pressed
* Switch key on (page 8)
* Lower top tank
* Release emergency stop (page
8)
‘OVER CURRENT’
* Brush over current.
* Brush pressure to great.
* Brush current exceeds 32A
* W
rong type of brush for surface
* V
ac. Brush, water &
Detergent
motors / pump will not
operate.
±{
unision until the trigger is
released.
* Release brush pressure. ( page 14)
* Changed type of brush.
* Restart machine.
‘UNDER VOL
TS’
* Battery voltage dropped
below
21 V
olts.
* Left most Battery LED
* Batteries require recharging.
* Faulty cell on battery
* Machine will not operate.
* Battery leads and connections.
* Charge Bartteries. (page 19)
* Replace battery (if cell dam-
aged)
‘
T
ANK FULL
’
*
T
ank full requires empty-
ing.
* W
aste
T
ank Float switch activated
whilst
cleaning or of
f aisle mode selected.
* Faulty Float switch.
* V
ac. Brush, water &
Detergent
motors / pump will not
operate.
*
T
ank full LED illuminated.
*
T
op waste tank full.
* Empty top waste tank
* Replace switch
‘CHARGING’
* Machine on charge.
MACHINE INHIBITED - NO OPERA
TION.
Contact Service Agent.
The
TTV 4555 has a self contained trip meter
, to view the meter turn the key to the ‘On’
position.
Press the mode button to cycle between the dif
ferent modes.
T
=
T
otal time.
This meter counts when ever any function is being used, including the of
f asile function (see page 16) .
V =
V
acuum total time.
B =
Brush total time.
W=
W
ater Pump total time.
@>_x
LCD Display’
and fault codes