A7 Plus – OPERATOR'S MANUAL
Disinfectant fluid running out warning.
When the disinfectant fluid present inside tank (a) is running out, a
special warning icon (H) appears on the TOUCH DISPLAY, an error
message appears on the display and 3 warning BEEPS are emitted and
repeated whenever dental unit is turned on.
If disinfectant fluid has run out, the operating unit will
nevertheless continue working, but it will use UNTREATED
mains water.
We recommend topping up disinfectant fluid as soon as
possible.
Disinfectant fluid tank filling.
When there is no more disinfectant fluid inside tank, proceed as follows:
• Open the water unit side cover (see paragraph 7.7.).
• Turn the tank ( a ).
• Remove the cap and pour the disinfectant liquid into the tank until it is full.
• Refit plug and tank.
• Lastly, close the water unit side cover.
To fill up, use pure PEROXY Ag+ or 3% oxygenated water (10 volumes) only, without diluting them.
Emptying the W.H.E. system water circuit.
This function allows emptying the W.H.E. system water circuit in case the dental unit must stay off for several days.
For emptying procedure, see paragraph 5.1.1.2.3.
Error messages on console display.
If system detects a malfunction, an error message will be displayed (see paragraph 10).
If the detected error is negligible, the dental unit continues working, while in case of severe errors, the dental unit will be blocked and Technical Service
is required.
PEROXY Ag+ storage.
For proper PEROXY Ag+ storage, follow the manufacturer’s instructions given on the package.
It is important to keep the package tightly closed and stored in a cool place at a temperature not exceeding 25°C.
Never leave PEROXY Ag+ or oxygenated water in the tank (a) for more than one month.
If you are going to be absent from the surgery for long periods of time (holidays), completely empty the tank (a) before leaving.
to empty tank, use a suction tube.
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