Troubleshooting Guide - Electrical; Checking Battery Charge Level - Invacare Wheelchair Owner's Operator And Maintenance Manual

PROCEDURE 2
TROUBLESHOOTING - ELECTRICAL
SYMPTOM
S
Batteries draw excessive current
A
when charging.
F
E
T
Battery indicator flashes the charge
Y
level is low—immediately after re-
charge.
I
N
S
P
E
Battery indicator flashes the charge
C
level is low—too soon after being
T
recharged.
I
O
Motor "chatters" or runs irregular.
N
Wheelchair does not respond to
commands. Power "ON", battery
indicator flashes.
Only one (1) drive wheel turns.
Joystick erratic or does not respond
as desired.
Wheelchair does not respond to
commands. Power indicator OFF—
T
even after recharging.
R
O
NOTE: For additional troubleshooting information and explanation of error codes, refer to the individual CONTROLLER
U
MANUAL supplied with each
B
L

CHECKING BATTERY CHARGE LEVEL

E
S
The following "Do's" and "Don'ts" are provided for your convenience and safety.
H
DON'T
O
Don't perform any installation or maintenance
O
without first reading this manual.
T
Don't perform installation or maintenance of
I
batteries in an area that could be damaged by
N
battery spills.
G
Don't make it a habit to discharge batteries to
the lowest level.
Don't use randomly chosen batteries/chargers.
Don't put new batteries into service before
charging.
Don't tip or tilt batteries.
Don't use ordinary tap water.
Don't overfill cells.
Don't use uneven levels of distilled water in cells.
Don't tap on clamps or terminals with tools.
Don't mismatch your battery and chargers.
PROBABLE CAUSE
Battery failure.
Electrical malfunction.
Battery failure.
Malfunctioning battery charger.
Electrical malfunction.
Batteries not charged.
Weak batteries.
Electrical malfunction.
Electrical malfunction.
One (1) or both clutches disengaged.
Electrical malfunction.
One (1) clutch is disengaged.
Electrical malfunction.
Controller Programed improperly
(Power 9000 Only).
Poor battery terminal connection.
Electrical malfunction.
wheelchair
.
Read and understand this manual and any service information that accompa-
nies a battery and charger before operating the wheelchair.
Move the wheelchair to a work area before checking the fluid level, adding dis-
tilled water, cleaning terminals, or opening battery box.
Recharge as frequently as possible to maintain a high charge level and extend
battery life.
Follow recommendations in this manual when selecting a battery or charger.
Fully charge a new battery before using.
Use a carrying strap to remove, move or install a battery.
ONLY use distilled water to refill.
Keep the liquid level in the cells at the "split ring" level.
Maintain the liquid in all cells at the "split ring" level.
Push battery clamps onto terminals. Spread clamps wider if necessary.
Use ONLY a GEL charger for a GEL or sealed battery and a regular charger for
regular batteries.
SAFETY INSPECTION/TROUBLESHOOTING
Check batteries for shorted cell. Replace if nec-
essary (FWD - PROCEDURE 10, RWD - PROCE-
DURE 11).
Contact Dealer/Invacare for Service.
Check batteries for shorted cell. Replace if nec-
essary (FWD - PROCEDURE 10, RWD - PROCE-
DURE 11).
Contact Dealer/Invacare for Service.
Poor connections between charger and wheel-
chair. Contact Dealer/Invacare for Service.
Have charger checked.
Replace batteries if necessary (FWD - PROCE-
DURE 10, RWD - PROCEDURE 11).
Contact Dealer/Invacare for Service.
Contact Dealer/Invacare for Service.
Engage motor locks/clutches (FWD - PROCE-
DURE 10, RWD - PROCEDURE 11).
Contact Dealer/Invacare for Service.
Engage clutch (FWD - PROCEDURE 10, RWD -
PROCEDURE 11).
Contact Dealer/Invacare for Service.
Reprogram controller (Refer to MCC-MKIV con-
troller manual supplied with wheelchair).
Clean terminals (FWD - PROCEDURE 10, RWD -
PROCEDURE 11).
Contact Dealer/Invacare for Service.
DO
14
SOLUTIONS