Owner`s manual
Mercury Mambo Micro Powerchair Owner’s Handbook (Page 18) Part code: Z20943-00
7. Troubleshooting
If you have trouble with you powerchair, please consult the table below before taking the
powerchair to your dealer. If you cannot solve the problem, contact your dealer for assistance:
SYMPTOM PROBABLE CAUSE SOLUTION
Limited driving
distance
♦ Batteries not charged long enough.
♦ Batteries weak, won’t hold charge.
♦ Ensure batteries are charged for 12 hours before
using. Make sure you are using the correct charger and
the charger is working.
♦ Replace batteries
Batteries not
charging.
♦ Charger not working
♦ Battery connections loose.
♦ No power from mains
♦ Bad connection on charger, charger
cable, plug or an internal wiring problem.
♦ Replace charger.
♦ Check all connections. Secure connections.
♦ Try another mains socket
♦ Replace charger or internal repairs required.
Contact dealer.
Batteries draw
excessive current
when charging.
♦ Battery failure. ♦ Replace batteries
Charge indicator
shows low charge
level immediately
after charging.
♦ Batteries weak, won’t hold charge.
♦ Electrical malfunction.
♦ Charger not operating.
♦ Replace batteries
♦ Contact dealer
♦ Investigate batteries and charger
Battery indicator
flashes the charge
level is low-too
soon after being
recharged.
♦ Have charger checked.
♦ Weak batteries.
♦ Service or replace charger.
Contact dealer
♦ Replace batteries
Wheel chair will not
drive
♦ Freewheel levers disengaged.
♦ Batteries require charging.
♦ Charger plugged in.
♦ Circuit breaker tripped.
♦ Ensure freewheel levers are in DRIVE position
♦ Charge batteries. Make sure setting on charger is
correct.
♦ Unplug charger from mains socket and powerchair.
♦ Reset breaker. If breaker trips again, it may indicate
need for internal repairs.
Motor “chatter” or
runs irregularly.
♦ Electrical malfunction. ♦ Contact dealer
Joystick erratic or
does not respond
as desired.
♦ Electrical malfunction.
♦ Controller programmed improperly.
♦ Contact dealer
♦ Contact dealer
Only one (1) rear
wheel turns.
♦ Electrical malfunction.
♦ One (1) freewheel lever is engaged.
♦ Contact dealer
♦ Ensure freewheel levers are in DRIVE position
Powerchair does
not respond to
commands.
♦ Poor battery terminal connection.
♦ Electrical malfunction.
♦ Clean terminals.
♦ Contact dealer










