Bosch Fontus 18V - Service, Support, and Battery Care; Battery and Charger Issues; Battery Maintenance; After-Sales Service and Support

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Problem Possible Cause Corrective Measure
Water leaks from ma-
chine
Leaking pump Slight water leaks are possible; in case of excess-
ive leaks, contact Bosch Service Centre
Leaking connections Check if connections are properly mounted
Filler cap untight Check if filler cap is properly closed
Motor starts in standby
mode
Pump, spray gun or hose leaking In case of continuous malfunctions in standby
mode, contact Bosch Service Centre
Hose cannot be re-
moved
When machine is still switched on, pressure in
system increases the required force to remove
connectors
Switch machine off, then pull trigger to release
the pressure
Tank is not being filled,
although the tap water
is connected
Water hose and/or hose connection is clogged or
blocked
Switch machine off, check and clean water hose
or hose connection
Battery and charger
Problem Possible Cause Corrective Measure
Flashing red battery
charge indicator
No charging procedure
possible
Battery not (properly) inserted Properly insert battery in charger
Battery contacts contaminated Clean the battery contacts (e. g. by inserting and
removing the battery several times) or replace
the battery
Battery defective Replace battery
Battery charge indicat-
ors do not light up
Mains plug of battery charger not plugged in
(properly)
Insert mains plug (fully) into the socket outlet
Socket outlet, mains cable or battery charger de-
fective
Check the mains voltage; have the battery char-
ger checked by an authorised after-sales service
agent for Bosch power tools
Maintenance and Service
Maintenance, Storage and Transportation (see
figures K – N)
Switch the machine off and press the trigger to drain the wa-
ter from the hose.
Disconnect hose from spray gun and water outlet. The spray
gun, brush and hose can be stored with the machine.
Drain water from the system and remove the battery.
Clean the filter regularly.
Battery Maintenance
Use the following procedures to enable optimum usage of
the battery:
– Protect the battery against moisture and water.
– Store the machine and battery only within a temperature
range between –20°C and 50°C . As an example, do not
leave the battery in the car in summer.
– It is recommended that the battery is not stored within
the product but stored separately.
– Do not leave the battery in the product in direct sunlight.
– The ideal storage condition for the battery is 5°C.
– Occasionally clean the venting slots of the battery using a
soft, clean and dry brush.
A significantly reduced working period after charging indic-
ates that the battery is used and must be replaced.
After-Sales Service and Application Service
Our after-sales service responds to your questions concern-
ing maintenance and repair of your product as well as spare
parts. You can find explosion drawings and information on
spare parts at: www.bosch-pt.com
The Bosch product use advice team will be happy to help you
with any questions about our products and their accessor-
ies.
In all correspondence and spare parts orders, please always
include the 10‑digit article number given on the nameplate
of the product.
Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham Uxbridge
UB 9 5HJ
At www.bosch-pt.co.uk you can order spare parts or arrange
the collection of a product in need of servicing or repair.
Tel. Service: (0344) 7360109
E-Mail: boschservicecentre@bosch.com
Bosch Power Tools F 016 L94 145 | (09.12.2020)