Biasi Riva FP, User Manual

16  RIVA FP USER MANUAL

6.  Useful Advice Cont.

6.4 External Cleaning:

•  Before performing any cleaning, disconnect the appliance from the electrical mains, using 

the dedicated circuit breaker or serviceman’s switch located adjacent to the appliance.

•  To clean the external panels, use a cloth soaked in soapy water. Do not use solvents, abra-

sive powders or sponges.

•  Do not carry out cleaning of the appliance and/or its parts with readily 

fl

 ammable substanc-

es (for example petrol, alcohols, naphtha, etc.).

6.5 Operational Faults:

If the lock-out signal lamp comes on:

•  This indicates that the safety lock-out 1 

(Fig. 6.2) has stopped the boiler

•  To re-start the boiler, it is necessary to 

turn the function selector  B in the position   

and then press the boiler reset button 

2 (Fig. 6.2).

• For the 

fi

 rst light up and following main-

tenance procedures for the gas supply, it 
may be necessary to repeat the resetting 
operation several times so as to remove 
the air present in the pipework.

Figure 6.2  

If noises due to air bubbles are heard during operation:

•  You should check that the pressure on the temperature and pressure gauge (Fig. 5.1 on 

page 9) is not below the correct setting.

• If 

required, 

fi

 ll up the system correctly, as described in the section 5.2 of this manual.

•  Bleed any air present in the radiators, if necessary.

If the pressure on the temperature and pressure gauge (Figure 5.1 on page 9) has 

gone down:

•  It is necessary to 

fi

 ll up the appliance with water again, so as to raise the pressure to an 

adequate level as described in the section 5.2 of this manual.

• If 

fi

 lling up with water has to be done very frequent, have the system checked for leaks.