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6.6.9
Appliance guarantee
This appliance has a guarantee against faulty materials or workmanship
for a period of two years from the date of installation subject to the
following terms and conditions:
• During the period of this guarantee any components of the appliance
which are proven to be faulty or defective in manufacture will be
exchanged or repaired free of charge by Bosch Thermotechnology
Ltd.
• The householder may be asked to prove the date of installation, that
the appliance was correctly commissioned and, where appropriate,
the first year's service has been carried out to the satisfaction of
Bosch Thermotechnology Ltd., when requested. These should be
documented as a part of the Benchmark Checklist.
• The appliance has been used only for the normal domestic purposes
for which it was designed.
This guarantee does not affect your statutory rights.
Guarantee registration
Your Greenstar appliance carries a guarantee against faulty material or
manufacture subject to Terms and Conditions.
Guarantee Registration can be completed:
• On-line
– You can register on our website:
www.worcester-bosch.co.uk/guarantee
• By phone
– You can register by ringing 0330 123 2552
• By post
– Please send your completed form to:
Worcester, Bosch Group, Cotswold Way, Warndon, Worcester,
WR4 9SW.
To read the full Terms & Conditions please visit us on-line at
www.worcester-bosch.co.uk/guarantee.
Your statutory rights are not affected by the manufacturer's guarantee.
7
Service and spares
Basic adjust mode
▶ Service functions will be disabled if basic adjust
mode is enabled. Basic adjust mode will need to be
disabled before servicing can be carried out
( section 6.6.7, page 48).
CAUTION: Mains supplies:
▶ Turn off the gas supply and isolate the electrical
mains supply before starting any work on the
appliance and observe all relevant safety
precautions.
CAUTION: Component replacement:
▶ After replacement of a gas related component,
where a gasket or seal has been disturbed or
replaced, check for gas tightness using a gas sniffer/
analyser.
▶ Also after re-assembly, carry out the following
checks:
Fan pressure section 6.5.8, page 43.
Flue gas analysis section 6.5.9, page 43.
Greenstar i System
- 6 720 806 945 (2015/07)
ErP
NOTICE: Service work
▶ Service work must be carried out by a competent
engineer, such as British Gas or Gas Safe registered
personnel!
NOTICE: FLUE GAS ANALYSER
▶ Service work must not be attempted if a calibrated
flue gas analyser and manometer is not available.
NOTICE:
The appliance must be run at maximum output for Fan
Pressure test and the Flue Gas analysis.
• To ensure continued efficient operation the appliance must be
checked at regular intervals.
• The frequency of servicing will depend upon the particular
installation conditions and usage, however, normally an annual
service is recommended.
• The extent of the service work required by the appliance is
determined by the operating condition of the appliance when tested
by qualified engineers.
• After each service, the service interval record sheet at the rear of this
manual, must be completed.
7.1
Inspection and service
▶ Check that the terminal and terminal guard, if fitted, are
unobstructed and undamaged.
▶ If the appliance is in a compartment or cupboard, check that the
specified service space around the appliance is clear.
▶ Check all joints and connections in the system and remake any that
show signs of leakage.
Refill and re-pressurise if applicable as described in the
commissioning section.
▶ Operate the appliance and take note of any irregularities.
Refer to the fault finding pages for rectification procedure.
7.1.1
History menu
The History menu function allows information of the last few errors,
service reminder requests, burner operation time and burner starts to
be accessed, table 41 for details.
▶ Press and hold the
button for approximately 4 seconds to
enter History menu.
▶ Using the DHW up/down arrow buttons to scroll through the menu.
▶ Press the
button to select the menu item.
▶ Press the
button to leave the info menu.
History Menu list
Description
Locking error history
List of the last eight locking errors
Blocking error history List of the last five blocking errors
Maintenance request Displays service maintenance request/s
Operating hours
Displays the number of burner hours for
heating and hot water
Burner starts
Displays the number of burner starts for
heating and hot water
Table 41 History menu
Service and spares
49
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