Troubleshooting - Gardena 8835 Operating Instructions Manual

3. Initial Operation
Charging the battery (see page 2):
ATTENTION!
Overvoltage damages batteries and the battery charger.
v Ensure the correct mains voltage.
Before using for the first time, the battery must be fully charged.
The lithium-ion battery can be charged in any state of charge and the
charging process can be interrupted at any time without harming the
battery (no memory effect).
1. Plug the plug of the charger cable
3
2. Plug standard charger into a mains power socket.
4
Charging control lamp is lit red:
Battery is being charged.
4
Charging control lamp is lit green:
Battery is fully charged.
(For charging time, see 7. Technical Data).
Check the charge status regularly while charging.
3. Once completely charged, disconnect the battery
3
charger . Disconnect the battery
first, then unplug the battery charger
4. Storage
Storage / overwintering:
The battery must be stored out of the reach of children.
1. Charging the battery.
2. Store the battery in a dry place.
Disposal of batteries:
Li-ion
The GARDENA battery contains lithium-ion cells that should not be
discarded with normal household waste at the end of their life.
1 2
into the battery .
2
from the battery
2 3
from the battery charger
3
.
Important:
Please return the lithium-ion batteries to your GARDENA dealer
or dispose of them properly at a public recycling centre.
1. Discharge lithium-ion cells completely.
2. Dispose of lithium-ion cells properly.
5. Maintenance
Make sure the surface and the contacts of the battery always are clean
and dry before connecting the charging unit. When dirty clean them with
a soft, dry rag; never use running water.

6. Troubleshooting

Error messages of the error-LED (see page 2) Art. 8835.
Problem Possible Cause
Device stops and the 1. Battery Overload.
error-LED flashes.
2. High temperature.
The allowed operation
temperature was exceded.
Device stops and the Battery is discharged.
warning-LED doesn't flash.
In the event of faults, please contact GARDENA Service.
Repairs must only be carried out by GARDENA service departments
or specialist dealers authorised by GARDENA.
7. Technical Data
Art. 8839 Art. 8835
Battery voltage Li-Ion 18 V Li-Ion 18 V Li-Ion 25 V Li-Ion 36 V Li-Ion 36 V
Battery capacity 1.6 Ah 2.6 Ah
Approx. charging
2 hrs 3.5 hrs
time* 90 % full:
Approx. charging
5 hrs 7 hrs
time* 100 % full:
* Charging time with standard charger
With the Quick Battery Charger art. 8831 available as an accessory
from GARDENA, the batteries can be charged up to 3 times faster.
Remedy
Wait 10 sec.When the warning
LED doesn't flash, start again.
Wait approx.15 min.
When the warning LED doesn't
flash, start again.
Charge the Battery.
Art. 8838 Art. 8836 Art. 8837
3.0 Ah 3.0 Ah 4.5 Ah
5 hrs 4.5 hrs 7.5 hrs
11 hrs 9 hrs 15 hrs
7