Water Heating; Keyboard Lock; Abnormal Operating Conditions Alarm Signals - Jacuzzi Delfi Use & Maintenance

Water heating

T
he water in the tub is heated by the electric heater located in
the tub compartment. Temperature adjustment is managed
based on specific parameters to be set from the control panel.
Press the key "Up/Down"
rently memorized temperature, the respective symbol appears
and the LED comes on.
Press the key "Up/Down"
value from a minimum of 15 °C to a maximum of 40 °C (59÷104 °F).
NOTE: if you press the upper part of the key, the displayed value
increases. If you press the lower part, it decreases.
If the display is equipped with two separate keys, press the key
"Up" to increase the value or the key "Down" to decrease it.
To show the temperature of the water in the tub again, do
not touch any key for about 5 seconds.
Maintenance of minimum temperature of water in tub and
anti-freeze protection of the pipes ("Smart Winter").
The system software of your hot tub is designed to provide effi-
cient, rational management of any hazardous situations which may
occur due to excessively cold temperatures and freezing of the water.
For further information on water heating and system safe-
guards, refer to the product's installation manual.
NOTE: when the anti-freeze protection is active, the display will
show the message ICE.

Keyboard lock

To prevent the modification of set parameters, there is the option of
activating the "keyboard lock" function.
To activate this function, simply press the first two keys to the
right of the control panel at the same time for approximately 5
seconds until the message "Loc" appears on the display followed
by the water temperature value.
It is still possible to activate the main hot tub functions (pump,
light and blower where provided) where this function is active.
To disable this function, simply press these same keys for ap-
proximately 5 seconds. The water temperature value will be pre-
sented on the display.
: the display will show the cur-
again to change the displayed
Abnormal operating conditions
- alarm signals -
A
larms are indicated on the display, with the corresponding error
code. You will continue to see the code if the alarm condition
persists.
Here is a list of the various alarms that may appear. Refer to the
product's installation manual for a detailed description of the vari-
ous messages that may appear on the display.
"FLO"
The heater does not turn on.
- Contact an authorized Jacuzzi® service centre.
"HOH" The measured temperature at the heater is 48 °C (118 °F)
or higher (the heater is turned off).
DO NOT ENTER THE WATER
- If the alarm condition persists, try turning the switch up the line
from the hot tub off and back on. If the signal stays on, contact
an authorized Jacuzzi® service centre.
"Ho" Excessive water temperature
DO NOT ENTER THE WATER
- If present, remove cover from hot tub.
- If the excessive temperature increase is due to sunlight, add
cold water to the hot tub.
When the temperature has dropped to below 43 °C (109 °F), the
hot tub should re-activate automatically. If it does not, discon-
nect the power supply and contact an authorized Jacuzzi® ser-
vice centre.
"H2O" Water level too low.
It's not possible to activate the pump.
- Fill with water until the message disappear.
"rPF" Defective temperature probe.
DO NOT ENTER THE WATER
It is not possible to activate any function.
- Contact an authorized Jacuzzi® service centre.
"HPF" Activation of safety thermostat.
It is not possible to activate the electric heater.
The electric heater has been deactivated due to overheating. This
may be due to irregular water flow.
- Try turning the switch up the line from the hot tub off and back
on (system reset). If the signal stays on, contact an authorized
Jacuzzi® service centre.
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