Subject
Descrip
�
on
Part's Function
It provides communication with the mainboard, it shows the
boiler data on the LCD screen and enables the boiler settings to
be adjusted on the screen via touch.
Impact in Case of
Malfunction
1- Touch functionality is not working and the boiler settings are
not made.
2- Partial or complete pixel loss on the screen.
3- Continuous operation of the buzzer or loss of function.
Main Associated Error
Codes
F201
Diagnostics and Test
Method
Visual Control: check that the cable connections (MMI cable-
membrane connection parts-LCD connection part-buzzer part)
are smooth and undamaged, component / circuit abnormality
control on the electronic board and MMI board (blackout,
solder crack / rupture etc.)
Pixel / missing character light loss control on LCD screen.
One reason for the loss of touch screen functionality is the
incompatibility or inadequacy of the adhesive between the
MMI board and the glass panel.
Maintenance
Requirement
No need special maintenance requirement.
Buzzer
Membrane connec
�
on
LCD screen connec
�
on
MMI cable
connec
�
on
• MMI Board
Table
11
62
Summary of Contents for CONFEO PREMIX P 14 HM
Page 1: ...SERVICE MANUAL CONFEO PREMIX CONDENSING BOILER CONFEO PREMIX P 14 20 24 28 30 35 HM HCH HST...
Page 24: ...12 ELECTRICAL DIAGRAM Figure 15 24...
Page 34: ...Low Voltage Removing installing the pump cable FAN PWM CABLE Figure 39 Figure 40 34...
Page 52: ...Figure 76 Figure 77 52...
Page 83: ......
