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Loading of deep discharged batteries
When measuring a battery voltage of under 8 V, the battery is deep descharged.
For loading deep discharged batteries do the following:
• Remove batterypole clips and connections to wheelchair. See chapter 10.1.
• Pre-charge each battery and measure charging voltage.
• Pre-charge battery with an unregulated charging unit up to 9 V.
After that interrupt charging process with unregulated charging unit.
• Assemble batterypole clips and connections.
• Load battery with INVACARE-charging unit over charger socket of remote completely. The loa-
ding process should be led for at least 48 hours.
CAUTION:
• During loading batteries must not lie on side or stand edgewise.
• Do not load batteries with the unregulated charging unit completely. Batteries could be
destroyed.
> Danger of explosion <
10.3 Battery charging unit
NOTE:
Also note the loading instructions for batteries:
• in the user manual of charging unit,
• on front and rear of charging unit.
Check of functions
• Plug in mains plug of charging unit.
- Red LED “MAINS ON” lights up.
• Divide mains plug from mains.
• Plug in charging plug at charging socket of remote and
then plug in mains plug again.
- Green LED “FULLY CHARGED” lights up for ca. 3 sec.
- then changes to yellow LED “CHARGE”.
• Pull out mains plug.
• Pull out charger plug.
INVACARE-charging unit
“MAINS ON”
“CHARGE”
“FULLY
CHARGED”
Trouble
• Red LED “MAINS ON”
is not lit?
• Yellow LED “CHARGE”
is not lit.
•Green LED “FULLY
CHARGED” is not lit?
Action
> Check 230 V mains.
> Replace charging unit.
> Check battery voltage.
> Replace charging unit.
> Check charging voltage.
> Replace charging unit.
Cause
- Mainsvoltage 230 V fails.
- Charging unit defective.
- Batteries deep discharged.
- Charging unit defective.
- Excess voltage of batteries.
Flash code status display?
- Charging unit defective.
Trouble index for INVACARE-charging unit