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EXT
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MEM
EXT
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MEM
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INS
TALLER
US
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MAINTEN
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CE TECHNI
CI
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2.4 CONTROL PANEL.
Key:
1 - Display
2 - On - Off - RESET button/
Water temperature adjustment knob
3 - Water flow rate in progress
4 - Value of the set temperature
Faults/Alarms
5 - Remote control connection (accessory)
6 - Solar system connection
7 - Presence of faults
8 - Presence of flame (flame symbol)
Flame fault (crossed-out symbol)
2.5 FAULTS AND SCREEN
DISPLAYS.
If the appliance blocks, the screen displays the
wording ( ) followed by a fault code to refer
to in order to release it.
Two types of stops can occur:
• Temporary stop (not permanent), the fault code
flashes, the stop is automatically removed when
its cause has been solved. If the fault persists, the
temporary stop switches to permanent.
Display
Type of alarm
Solutions
Definite shutdown
Flame control module block alarm.
Electronic flame control fault alarm.
Press and hold the reset button ( ). As soon as the wording
( ) is displayed, release the button.
The appliance restarts automatically (1).
Definite shutdown
Limit thermostat alarm.
Press and hold the reset button ( ). As soon as the wording
( ) is displayed, release the button.
The appliance restarts automatically (1).
Temporary stop
IN-OUT DHW NTC fault alarm.
(1)
Temporary stop
Parasite flame alarm.
(1)
Definite shutdown
Modulation coil cable disconnection alarm.
Press and hold the reset button ( ). As soon as the wording
( ) is displayed, release the button.
The appliance restarts automatically (1).
Definite shutdown
Alarm in the event of 5 consecutive resets.
To reset the appliance, disconnect and connect it again.
Press and hold the reset button ( ). As soon as the wording
( ) is displayed, release the button.
The appliance restarts automatically (1).
Temporary stop
Low Voltage alarm.
Wait for the water heater to auto reset (1).
(1) If the shutdown or fault persists, contact an authorised company (e.g. Technical After-Sales Service)
• Definite stop (block), the fault code flashes. In
this case, the appliance does not restart auto-
matically and must be released by the user or
operator by way of the release procedure only.
Below is a list of the types of alarms, their type of
display and the solutions to reset the appliance: