To Clean The Battery And The Battery Charger; Troubleshooting Table - Gardena PowerMax 37/36V P4A Operator's Manual

4.1.3 To clean the grass catcher bag:
v Clean the grass catcher bag with a soft brush (do not use sharp
objects).

4.2 To clean the battery and the battery charger:

The surface and the contacts of the battery and the battery charger must
be clean and dry before the battery is connected to the battery charger.
v Do not use running water.
4.2.1 To clean the battery:
v Occasionally clean the ventilation slots and the terminals on the battery
using a soft brush that is clean and dry.
4.2.2 To clean the battery charger:
v Clean the contacts and the plastic parts with a soft and dry cloth.
5. STORAGE
5.1 To put into storage:
The product must be stored away from children.
1. Turn the safety key to position 0 and remove it, to prevent the batteries
from discharging.
2. Remove the batteries.
3. Charge the batteries.
4. Empty the grass catcher bag.
5. Clean the mower, the batteries and the battery charger
(see 4. MAINTENANCE).
6. Store the mower, the batteries and the battery charger in a dry,
enclosed and frost-free place.
5.1.1 Storage position to save space [ Fig. S1 ]:
1. Fold both levers (S) outwards.
2. Fold the handlebar (1) downwards onto the mower.
Make sure that the cable is not trapped between the handlebar and
the mower, otherwise the cable may be damaged.
(S)
3. Push both levers to the handlebar
6. TROUBLESHOOTING
DANGER!
Cutting injury due to the blade!
Risk of cut injury due to accidental starting.
v Use gloves.
v Wait for the blade to stop.
v Remove the safety key.
v Remove the batteries.
6.1 To replace the blade [ Fig. T1 / T2 ]:
DANGER!
Risk of physical injury!
Risk of cutting injuries if a damaged or bent knife or one with
unbalanced or chipped cutting edges rotates.
v Do not use the mower when the blade is damaged, bent, out of
balance or has chipped edges.
v Do not regrind the blade.
The GARDENA spare parts are available from your GARDENA dealer
or from the GARDENA service.
v Only use an original GARDENA Replacement blade
For safety reasons, we recommend that the blade be replaced by
GARDENA Service or by an authorised GARDENA dealer.
1. Insert a screwdriver into one of the provided holes at the bottom of the
(28)
housing .
The screwdriver thus serves as a stop for the blade.
14638-20.960.03.indd 15 14638-20.960.03.indd 15
(1)
.
Art. 4103
(25)
2. Unscrew the blade bolt .
Make sure that the spacer (24) is not damaged when applying the force.
3. Remove the blade bolt (25) and the washer
(27)
4. Remove the blade .
(27)
5. Put the new blade on the mower. The inscription on the knife
(this side to grass) must be visible.
(26)
6. Put the washer and the blade bolt
(27)
7. Screw the new blade tight with the blade bolt
15 – 20 Nm). Do not over-torque.
Make sure that the spacer (24) is not damaged when applying the force.
8. Pull the screwdriver out of the mower.
Make sure that the screwdriver is removed before restarting the mower
again.

6.2 Troubleshooting table:

Problem Possible Cause
Motor is blocked
Obstacle blocks the motor.
Cutting height is too low.
Loud noises, the mower Screws on motor, its fixing
is rattling
or on the mower chasing are
loose.
Mower runs unevenly or
Blade is damaged or worn.
vibrates strongly
Blade bolt is released.
Blade is very dirty.
Lawn is not cleanly mowed
Blade is blunt or damaged.
Cutting height is too low.
Mower does not start or Battery is empty.
stops.
LED (L1) blinks green
[ Fig. O4 ]
Mower does not start or
Battery temperature is outside
stops. the permissible temperature
Error-LED (Wp) lights red range.
[ Fig. O4 ]
There are drops of water or
moisture between the battery
contacts.
Obstacle blocks the motor.
Mower does not start or Mower is defective.
stops.
(Wp)
Error-LED blinks red
[ Fig. O4 ]
Mower does not start or Battery is not put completely
stops. into the battery holder.
(Wp)
Error-LED does not
light [ Fig. O4 ]
Safety key is not turned to
positon 1.
Battery is defective.
Mower is defective.
Charging is not possible. Battery is not slid onto the
charger correctly.
(Lc)
Battery charge indicator
lights continuously green.
Battery contacts are dirty.
(Wc)
Battery error indicator
blinks red.
[ Fig. O3 ]
Battery temperature is outside
the permissible temperature
range.
Battery is defective.
Charging is not possible.
Mains plug of the charger is
Battery charge indicator (Lc) not plugged in correctly.
does not light / Battery error
Mains socket, mains cable or
(Wc)
indicator does not light
charger is defective.
[ Fig. O3 ]
NOTE:
Repairs must only be done by the GARDENA service departments or
specialist dealers approved by GARDENA.
(26) .
(25)
on the mower.
(25)
(tightening torque is
Remedy
v Remove the obstacle.
v Increase the cutting height.
v Let the screws be tightened by
an authorised specialist dealer
or the GARDENA Service.
v Replace the blade.
v Tighten the blade bolt.
v Clean the mower. If this does
not solve the problem, con-
tact the GARDENA Service.
v Replace the blade.
v Increase the cutting height.
v Charge the battery.
v Wait until the battery
temperature is between
0 °C – + 45 °C again.
v Remove the water drops or
moisture with a dry cloth.
v Remove the obstacle.
v Contact the GARDENA
Service.
v Put the battery completely
into the battery holder until
it audibly engages.
v Turn the safety key to
position 1.
v Replace the battery.
v Contact the GARDENA
Service.
v Slide the battery onto the
charger correctly.
v Clean the battery contacts
(e. g. by connecting and dis-
connecting the battery several
times. Replace the battery if
necessary.
v Wait until the battery
temperature is between
0 °C – + 45 °C again.
v Replace the battery.
v Insert the mains plug com-
pletely into the mains socket.
v Check the mains voltage.
Let the charger be checked
if necessary by an authorised
specialist dealer or the
GARDENA Service.
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