nifty Mk 3 Seies Operating/Safety Instructions Manual page 36

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Height Rider/SP Series
Operating & Safety Instructions
Should the operator ignore the onset of the battery discharge warning the "shut down" of the motors
will continue until the machine is rendered in-operative. Immediate charging will then be required.
CHARGING LIMITATIONS
The capacity of the 110V supply must be capable of 3.5kVA (32A current); hence a small hand-tool
transformer must not be used with the battery charger. A minimum size of 4.5kVA is recommended.
Note: Charger output will fall if air temperature is below 0°C or above 50°C.
Fault Conditions
If a fault occurs, count number of flashes between pauses and refer to table:
Red LED status
One flash
Two flashes
Three flashes
Four flashes
Five flashes
Six flashes
Attention should also be given to the use of extension cables as power leads. Excessive cable lengths
from the supply point to the battery charger will result in significant voltage drop, leading to a reduction
in the chargers efficiency. In addition, inadequate sized cable cores will have a limiting effect on its
current carrying capacity, which will again lead to a reduction in the chargers efficiency. Both of these
can result in over-heating of the cable with an increased risk of fire, short circuits, or damage to the
components themselves. A minimum size of 4mm
must be avoided.
34
Cause
Battery High Voltage
Battery Low Voltage
Charger
Timeout.
Caused
battery pack not reaching required
voltage.
Charger output reduced due to
high ambient temperature.
Check Battery(ies); battery could
not be trickle charged up to
minimum voltage.
High temperature. Charger shut
down
due
to
high
temperature.
Charger Internal Fault
Solution
Check battery size and condition. This fault
will automatically clear once the condition
has been corrected.
Check battery size and condition. This fault
will automatically clear once the condition
has been corrected.
by
Check connections.
Operate charger at a lower ambient
temperature.
Reset charger (interrupt AC power for 15
seconds)
Check for shorted or damaged cells
Reset charger (interrupt AC power for 15
seconds)
Ensure sufficient cooling airflow and reset
internal
charger (interrupt AC power for 15
seconds)
Reset charger (interrupt AC power for 15
seconds). Return to service department if
fault persists.
2
is recommended and lengths in excess of 50m
English/USA – 05/15
Original instructions

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