14
11. Charging power supply
The battery charger is suitable for
an input voltage of between 100V
and 240V. The output voltage is 33
V=. The charging current is 1 A.
There are different diagnostic codes
if the lift requires charge
Code 1 and 7: When the battery voltage is very low (maybe down to
10%capacity left in batteries), this fault code will appear. When the
lift docks on to charge contacts, the lift will not drive off the contacts.
1 will flash. Lift will only drive off if battery voltage has recovered
approximately three quarter capacity. Another way of driving off the
contacts is if lift is powered “off” then back “on” but as soon as lift
docks on contacts, process will repeat again. This fault code is linked
to fault code 7 but the code 7 is not usually seen as code 1 takes
priority.
Code r: This fault will occur when the lift is charging. If the power
supply is disconnected while the lift is charging, the r code will display.
A fault with the 33V power supply where the power supply cannot
supply current to charge the batteries will also show this code.
Code U: This fault occurs when the lift has fully charged the batteries
and is in float mode. When the 33V power supply is disconnected, the
U code will display.
Code E: This fault appears if the batteries are low. The main relay on
the board is rated for 24VDC operation so the low voltage will give a
false fault condition.
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