Drive Motor Controller; Maintenance - HANGCHA Mini Range CDD12-A2MJ-SZ Operation And Maintenance Manual

3.2 Drive motor controller

3.2.1 Maintenance

Controller has no user repair parts. Do not try to open, repair or alter the controller. Otherwise it
may damage the controller and also invalid the guarantee.
It's suggested to keep the controller clean and dry, periodically check and get rid of diagnose
historical files.
Cleaning
Periodically clean the outside controller is good for preventing corrosion or other controller fault
from dirty, dust and chemical, which are part of the environment and always exist in battery power
supply system.
Be careful when operating the truck power supplied by battery. Including but not limit to the
following: correct training, wear goggles, do not wear loose clothing and jewelry.
Carry out maintenance according to the following cleaning procedure. Never clean the controller
with high pressure washer.
–
Remove battery to disconnect power.
– Connect load(like contactor coil or horn) between controller B+ and B- to discharge
controller capacity.
– Clean dirt or corrosive on the power and signal binding post. Wipe the controller with wet
cloth, dry the controller before connecting the battery. Controller can't suffer the water
impact with pressure.
–
Make sure the wiring is correct and fastened.
Warning

Strictly prohibit water in the product.

Strictly prohibit operating with electricity.

Strictly prohibit reverse polarity.

Strictly prohibit motor short circuit.
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