20
GB
8. Trouble-Shooting
DANGER ! Electric shock !
A
v
v
Before undertaking Trouble-Shooting, unplug the
UVC-unit and the pump from the mains !
The UVC bulb should be replaced after approximately 8,000
operating hours since the UVC performance decreases
dramatically after this time.
Only bulbs of the type TC-S (UV-C) may be used. (E. g. Radium,
Philips or Sylvania). The correct UVC-bulb can be ordered from
GARDENA Service as a spare part.
1. Remove the cover of the UVC device
S
and remove the UVC
device
S
(see
7. Maintenance
“ Cleaning the UVC Unit”
).
2. Carefully unscrew the ring
V
.
3. Pull off the glass tube
T
(It may be relatively difficult to remove
the glass tube due to mineral deposits.)
4. Take out faulty bulb
W
and insert new bulb.
5. Reassemble the UVC unit in reverse order.
DANGER ! Short-circuit !
A
v
v
The ring
U
must be screwed on firmly again to
guarantee that the glass tube
T
is sealed !
During assembly, ensure that the O-Ring
X
on the glass
tube
T
is positioned correctly and the O-Ring
U
is inserted
correctly in the UVC device
S
. The UVC unit must be fully
reassembled to test the functioning of the bulb.
1. Remove pump from pump housing (see
7. Mainenance
“
Cleaning the pump housing of the pump ”
).
2. Turn pump cover
Y
anti-clockwise and draw vertically out of the
motor housing
z
36
(bayonet fitting).
3. Draw rotor unit
z
37
out of motor housing
z
36
and clean.
4. Push cleaned rotor unit
z
37
back into the motor housing
z
36
.
5. Press pump cover
Y
vertically on to the motor housing
z
36
and close by turning clockwise.
During this, ensure that the O-ring
z
38
is installed correctly.
6. Assemble pump in the pump housing.
Cleaning the pump :
Changing the bulb :
S
U
T
X
W
V
Y
z
36
z
38
z
37
