Baxi 600 System 2 User manual

Quick start guide
to your new boiler

Welcome to Baxi
Thank you for choosing a Baxi boiler. Your installer will have
shown you how to use your new boiler, so keep this short
guide handy as a reminder.
About Baxi
Baxi is proud to have been manufacturing in the UK since
1866. We are passionate about delivering reliable products
and responsive services for our customers.
Our sustainability pledge
Future generations will judge us by our actions. Our pledge is
to be carbon neutral in all our operations by 2030, and to lead
the phase-out of carbon intensive heating by ensuring every
product we make from 2025 will work with low carbon energy.
Read more about
our sustainability
targets and values

Operating your
new boiler
1
2
3
4
5
6
Central heating temperature dial
Hot water temperature dial
Back (previous menu)
Manual reset
Menu
Confirms selection
OK1.4
3 4 5 6
The burner is on
Display of the system water pressure
Hot water is on
Central heating is on
Error menu: errors can be read out
1 2

Energy and money
saving tips
Set your room thermostat between 18 and 21
degrees. Try turning it down by just one degree
– you may still be warm enough and you will save
energy and money.
Only heat the rooms you are using. Turn
thermostatic radiator valves right down in rooms
you don’t use.
If you have a hot water storage cylinder, turn the
temperature down to 60°C/140°F. To prevent the
growth of harmful bacteria it should not be lower
than this temperature.
Make sure the cylinder is well insulated. A well-
fitted tank jacket will keep your water hotter for
longer and save you money.
Covering radiators with clothes or putting
furniture in front means your boiler has to
work harder for your room to get to the set
temperature – costing you money and
wasting energy.
Thermal curtains, closed curtains at dusk,
will help to stop heat escaping through
the windows.
Fitting a magnetic filter will attract magnetic
debris before it enters your boiler, helping to avoid
expensive maintenance and repairs, and making
your heating system more energy ecient.

Your warranty
IMPORTANT! Please read the following information
Your boiler comes with a free of charge parts and labour
warranty of up to 10 years, depending on the model.
To benefit from the full warranty
for this product, you must:
• Ensure the warranty is registered within 30 days
of installation. Please check to see if your installer
has registered it on your behalf. If not please follow the
instructions in this guide.
• Ensure your installer has completed the Benchmark
checklist. We recommend this is done digitally using the
Benchmark app. Find out more in this guide.
• Ensure your boiler and filter are serviced annually, within
60 days of the anniversary of the installation, by a Gas
Safe engineer in accordance with the procedure in the
installation and maintenance manual.
• Ensure your installer has cleaned any sludge out of the
system, fitted a magnetic filter and treated the system
water before fitting your new boiler. Your warranty does
not cover a failure of the boiler caused by sludge.
• Keep the installation and maintenance manual safe for
when your installer or engineer visits, as this includes the
service record.
• If you have a Baxi 800 boiler installed, the Adey filter that
is supplied with it must be also be fitted and registered to
qualify for a 10-year warranty. If the correct filter is not
fitted, or if it is removed within 10 years, the warranty will
revert to two years only.
It is your responsibility as the appliance owner to ensure that
the requirements of the warranty terms and conditions are
carried out to ensure your warranty remains valid.
For full terms and conditions please visit: Baxi.co.uk
For more information
on warranty, visit
our FAQs

Your warranty
How to register your warranty
1Ask your installer if they will register the warranty for you.
2If they would prefer that you register the warranty
yourself, either
a. Register your warranty on the
Baxi website, or
b. Call free on 0800 597 8576 to activate
your warranty.
If your boiler warranty is not registered or the terms
and conditions are not met, your warranty will revert
to the standard two-year warranty.
What is not covered by your boiler warranty
Your warranty covers your appliance for any
manufacturing defects. Your warranty does not cover the
system the boiler is fitted to, eg. pipework and radiators.
Benchmark
When the engineer has finished installing your product,
they must complete the Benchmark commissioning
checklist. We recommend they use the digital
Benchmark app as this provides a record which
cannot be lost. You can also use the app to see
the history of your installation and servicing.
If this isn’t possible, they must fill out the Benchmark checklist
at the back of the Baxi boiler installation and service manual.
Benchmark provides you with evidence that:
• The installer is competent, qualified and committed to
providing high quality service.
• The installer works to the Benchmark Code of Practice.
• The product has been installed correctly.
• The installer has given you a demonstration of the
product and how it works.
• You have signed to say that the installer has given you a
demonstration and the handover is complete.
Whether your installer uses the Benchmark app or fills in the
paper copy, we may ask to see it if you need to call us out
under warranty.

Why having your boiler
serviced is important
Annual Service
It is important that an annual service is conducted in line
with the instructions within the boiler installation and
service manual.
Four good reasons to get your
Baxi boiler serviced
1 Warranty
Failure to have your
boiler serviced every
year will invalidate
your warranty
2 Safety
Your Gas Safe
registered installer
will check it is
working safely, for
your peace of mind
3 Eciency
An annual service
helps your boiler
to work more
eciently and keep
your heating bills
down
4 Reliability
Reduces the risk
of breakdowns and
increases reliability

Keep it clean!
Whether you are replacing your boiler or having a complete
new central heating system, your heating engineer must
clean and treat your system with chemicals and fit a magnetic
filter. At each annual service they will check the water in the
system, to make sure there is no build-up of sludge and debris.
Protect your central heating system
Power flushing – a power flush is a cleaning process
that removes sludge, rust and debris from the pipes
and radiators in your heating system so it can’t block
the narrow tubes inside your new boiler.
Inhibitor – once the heating system has been
cleaned, it should be treated with an inhibitor to
protect it and prevent further corrosion.
Magnetic filter – will collect magnetic debris in the
system water, before it enters the boiler.
Limescale prevention – in hard water areas, a
scale prevention device on the mains water will
ensure limescale does not build up and block the heat
exchanger in the boiler.
What is sludge?
Corrosion occurs naturally when metal and water meet. If left
untreated in your heating system, corrosion can form into
black iron-oxide sludge (‘Magnetite’) and other debris. This
can build up in your heating system causing:
• Damage to the boiler and boiler pump.
• Damage to radiators that could cause leaks.
• Damage to radiator valves.
• Blocked pipework in the boiler or central heating system.
Why you need a magnetic filter
A magnetic filter will attract the magnetic
debris in the system water before it enters your
boiler, helping to protect it from sludge.
Note: Your boiler warranty does not cover
damage to the boiler caused by sludge.
Getting the most
from your boiler

Problem Possible Causes Advice
You have no domestic hot water
The Boiler is not working Check your fuses and switches
Check your electricity supply
Your water pressure may be too low You may need to repressurise your system Watch a video: https://www.baxi.co.uk/faqs/how-to-repressur-
ise-your-boiler-if-you-have-a-digital-pressure-gauge
Your radiators are cold
The heating control temperature is too low Turn your room thermostat or thermostatic radiator valve to a more comfortable temperature Check your heating mode is activated Turn on/activate your thermostat’s heating mode Your radiator valves may be closed Check and open the radiator valves in the rooms you want to be warmer Your boiler may not be working Check power supply, fuses and switches
Your boiler is not working
There is no heating Check your thermostatic controls are set to deliver heating. The temperature on your heating control may be set too low Turn up the temperature on your room thermostat There may be no power supply Check power supply, fuses and switches Your boiler is indicating an error code Refer to ‘troubleshooting’ section in your boiler user guide or installation manual. Make a note of any error
codes so you can tell your installer
In cold weather your condensate pipe may be frozen Thaw your condensate pipe: https://www.baxi.co.uk/faqs/how-to-thaw-a-frozen-boiler-condensate-pipe
Quick help
Disclaimer: Our quick guide and self help videos may contain advice, opinions, instructions and statements from *Baxi and/or other content and information providers. This content is intended to be used for information purposes only and whilst we will endeavour to keep the information up to date it is not intended to serve as a substitute for relevant professional advice. We strongly urge you to consult a competent professional in the appropriate field be- fore using any of the content and ensure you follow the instructions provided with your product. You use the video and content at your own risk. To the maximum extent permitted by law, Baxi makes no representations or warran- ties of any kind, express or implied, as to the information or content included in the video. Under no circumstances will Baxi be responsible or liable for any loss or damage incurred as a result of any information, content or materials, or any errors or omissions, in its videos. Baxi does not accept liability for any claim, loss, demands or damages of any kind whatsoever (whether such claims, loss, demands or damages were foreseeable, known or otherwise) arising out of or in connection with the use of the information, content or materials included in this video, including without limitation, indirect or consequential loss or damage, and whether or not advised of the possibility of such claim, loss demand or damages and whether arising in tort (including negligence), contract or otherwise. https://www.baxi.co.uk/important-information/video-disclaimer

Troubleshooting
From time to time, your boiler may display an error code and
require attention. There are several error codes that you
can solve yourself, without needing to wait or pay for an
engineer to visit.
If a small spanner appears , please contact your
Gas Safe registered engineer or Baxi Customer Support on
0330 678 0917. Make a note of any error codes you have
seen on the boiler, which can help them to identify the fault.
Hints and tips that may get your boiler
working without an engineer visit
• Check there is power to boiler (is the boiler display on?)
• Check fuses and switches are ‘ON’.
• If you have a prepayment meter, is there enough credit?
• Check that Domestic Hot Water and/or Central Heating
knobs in the front of the boiler are set to the correct
temperature.
• Are your timer and room thermostats set correctly?
• If radiators are cold, are all the radiator and thermostatic
valves ‘Open’?
• Noisy pipes? Remove air from the heating system by
bleeding the radiators.
• Boiler running even though the heating is turned o? In
cold weather, your boiler has ‘frost protection’ so it may
run for a short time even with the heating turned o, to
protect the boiler.
Error codes that you can put right yourself
A.02.06 or H.02.07
Boiler needs repressurising
All boilers need repressurising occasionally.
It’s a simple job you can do yourself. Watch our
helpful video here:
E.04.10
Frozen condensate pipe
Sometimes when it’s very cold, the white plastic
condensate pipe outside freezes, and your
boiler will shut down to protect itself. It’s an
easy problem to solve. Watch our video.
Problem Possible Causes Advice
You have no domestic hot water
The Boiler is not working Check your fuses and switches
Check your electricity supply
Your water pressure may be too low You may need to repressurise your system Watch a video: https://www.baxi.co.uk/faqs/how-to-repressur-
ise-your-boiler-if-you-have-a-digital-pressure-gauge
Your radiators are cold
The heating control temperature is too low Turn your room thermostat or thermostatic radiator valve to a more comfortable temperature Check your heating mode is activated Turn on/activate your thermostat’s heating mode Your radiator valves may be closed Check and open the radiator valves in the rooms you want to be warmer Your boiler may not be working Check power supply, fuses and switches
Your boiler is not working
There is no heating Check your thermostatic controls are set to deliver heating. The temperature on your heating control may be set too low Turn up the temperature on your room thermostat There may be no power supply Check power supply, fuses and switches Your boiler is indicating an error code Refer to ‘troubleshooting’ section in your boiler user guide or installation manual. Make a note of any error
codes so you can tell your installer
In cold weather your condensate pipe may be frozen Thaw your condensate pipe: https://www.baxi.co.uk/faqs/how-to-thaw-a-frozen-boiler-condensate-pipe

Resetting your boiler
If you ever need to reset your boiler, find out how
on the Baxi website:
https://www.baxi.co.uk/faqs/how-to-reset-a-baxi-boiler
A full list of all the error codes can be found in the
installation and servicing instructions that your installer
should have left with you.
What to do if you need to contact us
while your boiler is still under warranty
If you’ve checked all the points above and your boiler is still
not working, please make a note of any error codes that
appear on the screen. You will also need your boiler’s serial
number, which can be found on a small tab
under the front of the boiler.
Then either call Baxi on 0330 678 0917
or book a repair online.
Troubleshooting
If you smell gas
Call the National Gas Emergency free on 0800 111 999
If you think you have a gas leak you need to act quickly.
Open doors and windows
Turn o gas at meter (unless the meter is in a
cellar or basement)
Don’t use electric switches or naked flames
Contact a Gas Safe registered engineer to
check and fix the appliance as soon as you can

To arrange your boiler service
please contact your installer:
Contact us
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baxi.co.uk
Baxi, Brooks House, Coventry Road,
Warwick CV34 4LL
inf[email protected]
Opening hours
Monday – Friday, 8am – 6pm
Weekends and Bank Holidays, 8.30am – 2pm
We are open 365 days a year.
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0344 871 1525
Installer: add your contact details here
7838599-01 – BAXI QUICK GUIDE USER INSTRUCTIONS