6 720 817 545 (2016/02)
Optiflow
Maintenance (only by authorised service technician) | 17
▶ Press
for 3 seconds.
The displayed value flashes as a sign of confirmation.
▶ Press
to exit this function.
Display will show P0.
▶ Close the hot water tap.
The adjustment of the burner pressure is complete.
5.4
Factory default settings
▶ Enter the Service menu by pressing and holding down the
,
, and
buttons simultaneously for 3
seconds.
Display will show "P2".
▶ Press
until the display shows "P4".
▶ Press the button
.
Display will show “E”.
▶ Press
until the display shows "rP".
▶ Press the button
.
Display will show "P1"
▶ Press
for 3 seconds.
The displayed value flashes as a sign of confirmation.
▶ Press .
Display will show "P1"
▶ Press
until the display shows "P2".
▶ Press the button
for 3 seconds.
The displayed value flashes as a sign of confirmation.
▶ Press .
Factory default settings are now restored.
6
Maintenance (only by authorised service
technician)
Bosch recommend that to maintain optimum performance
from this appliance, servicing should be carried out by suitably
licensed persons at intervals not greater than two (2) years.
▶ Your appliance should only be attended to by a licensed
service technician. To locate your nearest service provider,
call:
AU 1300 30 70 37, NZ 0800 54 33 52
▶ Only use Bosch supplied replacement parts.
6.1
Periodic maintenance
Functional check
▶ Check the correct operation of all the safety, regulation and
verification elements.
Heat exchanger
If the heat exchanger is showing signs of sooting:
▶ Remove the heat exchanger.
▶ Clean by applying a jet of water in the lengthwise direction
of the fins.
▶ If the soot is not removed, use a stiff brush to carefully clean
the fins.
▶ Regions with average/high water hardness: descale the
inside of the heat exchanger and the connection pipes by
using a diluted solution of hydrochloric acid or white
vinegar.
▶ When reinstalling the heat exchanger replace the o-rings
and seals.
Burner
▶ Inspect the burner and clean if necessary.
If cleaning is required:
▶ Dismantle the burner.
▶ Use a brush to clean the surface of the burner elements.
▶ Use a jet of air to blow the burner elements clean.
Maintenance must only be performed by an
authorised service technician.
DANGER:
Due to electric shock!
▶ Always isolate the electrical power to
the appliance (by turning off the power
point and removing the power plug from
the electrical socket) before carrying
out any work on electrical parts.
NOTICE:
Damage to the appliance.
Damage to the heat exchanger.
▶ Do not apply a jet that is too strong or
aimed in a direction other than that
indicated.
Summary of Contents for Optiflow GWH16 3 CT E23 F6 L S2405
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