Periodic Maintenance; External Cleaning; Operating Anomalies - Biasi RINNOVA ADAPTIVE User Manual And Installation Instructions

Figure 3.4
If the boiler is turned off, have a qualified tech-
nician empty the boiler (heating and DHW
circuit) and empty the heating system and the
DHW system.

3.4 Periodic maintenance

For efficient and regular boiler operation, it is
recommended that the boiler be serviced and
cleaned at least once a year by a technician
from an authorised service centre.
During this check, the most important boiler
components are inspected and cleaned. This
check may be performed within the scope of
a maintenance contract.

3.5 External cleaning

Before performing any cleaning
operation, disconnect the boiler
from the electric mains supply.
To clean, use a cloth soaked in soap and water.
Do not use: Solvents, flammable substances
or abrasive substances.

3.6 Operating anomalies

If the boiler is not operating and a code ap-
pears on the LCD display that is preceded by
the letter "E" and the message RESET (see
"General LCD characteristics" on page 8)
the boiler is in lockout. The background of the
display will flash (Figure 3.5).
USEFUL TIPS
Figure 3.5
To restore operation, press the reset button 14
(Figure 3.3) on the boiler control panel.
After three reset attempts made by pressing
the reset key 14 (Figure 3.3), code "E91" and
the symbol
LCD display. The boiler is in lockout mode.
Figure 3.6
To restore boiler operation, disconnect the
electrical power supply. Then, reconnect it and
press buttons 12, 13 and 14 (Figure 3.3) on the
boiler control panel at the same time for at
least 5s.
Other possible anomalies shown on the LCD
display
If the LCD display shows a code preceded by
the letter E and the symbol
an anomaly that cannot be reset.
The background of the display will flash (Fig-
ure 3.7).
Frequent safety lockouts should
be reported to an authorised ser-
vice centre.
A
(Figure 3.6) appear on the
A
the boiler has
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