NaceCare Solutions TTB4550T - Manual (Page 18)

233939 06/13 (A07) Page 18 of 36
Trouble Shooting
(single green flashing light)
Green Status Indicator
Fault
Possible Cause
Ef
fect on Product
Investigate the Following
Action Required
If fault persists
1 Flash with pause
Batteries voltage low
Batteries not been charged -------------------------------------
Possible bad connection between batteries,
controller
, charger or fuses caused by loose con
-
nections , damaged wiring , water ingress
-------------------------------------
Not accepting charge due to faulty battery/cell
--------------------------------------
Charger not functioning
Operating time severely reduced
or machine will not operate
Check when machine last charged
------------------------------
“Switch OFF the machine :
Remove Fuses
Check connections to batteries, charger and fuses for loose
wires or screws”
---------------------------------------------
Check each battery V
oltage individually to detect defect unit
10.5V min
----------------------------------------------
“Check battery voltage and charge current
ensuring charger red fault light is
extinguished.”
Charge batteries immediately ---------------------------------------
Tighten loose connections and replace
damaged components
------------------------------------------- Replace batteries as required ------------------------------------------
Replace charger
Contact
Service Agent
2 Flashes with pause
Traction motor discon
-
nected
The motor has a bad connection ---------------------------------------------
Motor disconnected
----------------------------------------------
TCO activated
-----------------------------------------------
Motor failed open circuit
Motor will not operate
Check all connections and leads between the motor and
controller
ighten loose connections and replace dam
-
aged components - check exhaust clean
if necessary
.
3 Flashes with pause
Traction motor wiring
Trip
The motor has a short circuit to a battery
Motor will not operate
Check all connections and leads between the motor and controller
4 Flashes with pause
Battery Lockout
The battery charge level has fallen below the
battery lockout level and the controller is inhibiting
machine functions
Machine functions not working
“Check battery voltage and charge current
ensuring charger red fault light is extinguished.”
-----------------------------------------
Check each battery V
oltage individually to detect defect unit
10.5V min
Charge batteries immediately
6 Flashes with pause
Charger Connected
The controller is being inhibited from driving,
This
may be because the battery charger is connected
Machine functions not working
Remove Charger to operate machine
8 Flashes with pause
Controller
Trip
A controller trip is indicatied
Machine functions not working
Check all connections and leads
Tighten loose connections and replace
damaged components
10 Flashes with pause
High Battery V
oltage
Poor coonections between battery controller and
traction motor
Machine functions not working
Check each battery V
oltage individually to ensure voltage <
14 volts
-------------------------------------------------------------
Check connections on controller batteries and traction motor
-------------------------------------------------------------
Check combined battery pack voltage is < 28 volts
Tighten loose connections and replace
damaged components
---------------------------------------------------
Replace faulty battery
.
---------------------------------------------------- T
ighten loose connections and replace
damaged components.
--------------------------------------------------
Check battery wiring
All Battery LED ON :- One-by-one turn of
f right to left, until only the
lowest battery LED remains ON. This flashes 3 times and then the
sqeuence repeats.
Low
Battery V
oltage
Faulty Charger
----------------------------------------------
Faulty Loom assembly
-----------------------------------------------
Faulty Battery
Machine Inhibited
Check Battery V
oltage > 21.5 V
olt for machine to opperate.
Charge batteries immediately
Brush Motor LEDs flash in unison
Brush Motor Over
Currentc
High Brush Pressure
Machine Inhibited
Change
Brush T
ype
Reset machine by switching power of
f
and on.
All Battery LED ON :- One-by-one
turn of
f right to left. Display is
then blank before repeating the
sequence.
Batteries Charging
Faulty Inhibit Circuit
Machine Inhibited
W
ait for batteries to fully charge.