Baxi Luna 3 Comfort User manual

Luna 3 Comfort
Troubleshooting Guide
For Technical Assistance Call: [phone]
June 2008

WARNING!
THIS DOCUMENT IS INTENDED ONLY AS AN
EDUCATIONAL TOOL
This Troubleshooting Guide, and the instructions and suggestions within are
intended solely as an educational tool assisting completely qualified Gas
Appliance Mechanics who have successfully completed the Baxi Installation
Certification Program.
Use of the information herein for the purposes of onsite appliance correction by
untrained personnel may cause extremely dangerous conditions, and may void
the manufacturer’s warranty.
Marathon International assumes absolutely no liability in the execution of the
training suggestions in this document. Should you experience problems or
complications beyond your realm of training, please contact Marathon
International for further instructions.
i

Resetting The Boiler
ii
There are two types of errors that can be found on the controller:
Fault and Block.
Fault:
If a fault occurs, the display shows symbols flashing with the writing <ERROR>.
The fault is identified by the error code followed by the letter “E” and is not resettable
unless the problem is corrected.
Block:
If a block occurs, the display shows the symbols flashing together with the <ERROR> and
<>>>OK> symbols alternating.
The block fault is identified by an error code (see the table below) followed by the letter “E”.
Press the OK button on the controller to reset the boiler. The display shows the
<RESET> writing followed by the >>>OK writing.

Increase
DHW max.
temperature
Reduce
DHW max.
temperature
On/off
Winter
Summer
selection
Comfort/economy
selection Automatic/manual/
Off/reset
Real/Set
room
temperature
display
Reduce
room
temperature
Increase
room
temperature
Temporary
Special function
Setting
(i.e. holidays,
presence,
shower setting)
Selection of
INFO mode /
Programming
mode
CONTROLLER
These buttons operate
accordingly when in the standard
operation mode. The buttons may
have different functions
depending on operation, and the
programming mode.
iii

CONTROLLER
FUNCTIONS
Types of Functions
• Normal functioning (RUN)
This level is what appears on the controller during normal operation.
• User programming (PROGR)
This level allows the user to set the clock, the date, temperature setpoints and time
programs.
• Advanced information (INFO)
This level allows the installer to set a group of advanced parameters and obtain a
sequence of advanced information on the system functioning.
The programming functions operate as follows:
1. To change from RUN to PROGR shortly press the IP button (on the display you should see the running inscription
<PROGR>) for two seconds then the time will appear.
2. To change from RUN to INFO press the IP button for 3 seconds (you should see the running inscription <INFO>)
appear.
3. To return from PROGR or INFO to RUN shortly press the IP button (you will see the running inscription < RUN>) for
two seconds and the screen will go back to normal.
iv