42
lack of electric energy
command not accepted
insucient water level
lack of liquid sanitiser
1
- check that the main switch is not o and/
or that the system is not faulty (contact your 
trusted electrician)
- try to keep the key on the remote control held 
down again (also follow the instructions in the 
relative chapter)
- add water until it covers the highest nozzles 
on the backrest, so they are immersed and 
keep the key held down once again
- within about 5 minutes from the appearance 
of the warning (failure to do so will result in the 
function being denitively reset) rell the tank 
with the recommended liquid sanitiser (should 
the function not start on its own, hold down 
the relative key once again) 
Sanitization does not start
lack of electric energy
insucient water level
insucient liquid sanitiser
1
data transmission system fault 
(RS485 serial interface)
motor and/on inverter overheat-
ed or fault (if the "A" symbol ashes, it 
means that there is a fault with pump 1; 
if the "B" symbol ashes, it means that 
there is a fault with pump 2)
1 2
A
B
- check that the main switch is not o and/
or that the system is not faulty (contact your 
trusted electrician)
- add water within about 5 minutes from the 
appearance of the warning (the function will 
resume automatically); where this is not the 
case, the function will be denitively reset
- add the liquid within about 5 minutes from 
the appearance of the warning (the function 
will resume automatically); where this is not 
the case, the function will be denitively reset
- contact an authorized Jacuzzi® service centre
- wait about half an hour and then try to restart 
the pump; if this does not resolve the problem, 
contact a Jacuzzi® Service Centre
The Sanitization cycle 
stops of its own accord
Additional error messages 
(only with AQS models)