Ariston NEXT EVO X 11 SFT User Manual - Page 22
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APPLIANCE PROTECTION DEVICES
Appliance shut-off conditions
The appliance is protected from malfunctions by means of
internal checks performed by the electronic P.C.B., which
stops the appliance from operating if necessary.
In the event of the appliance being shut off in this
manner, a code appears on the display which
refers to the type of shut-off and the reason
behind it.
Switch off the appliance. Make sure the external
electric switch is in the OFF position, shut off the
gas valve and contact a qualified technician.
Table summarising error codes
Error code
Description
Ignition fails - No flame detected
No flame after safety time(3 attempts)
A1
Overheating (overheat thermostat/thermo
A2
fuse) (95°C)
Flue pipe blockage
A3
Flame lift (3 Times) during burning
A4
Hot water temp. probe circuit open / short
A6
circuit
Cold water temp. probe circuit open / short
A7
circuit
Flame detected without gas ignition
E6
Fan error
E7
Solar energy function fault protection
EE
Parameter setting error protection
70
22
/
- Open the valve and follow the activation procedure
- Check the ignition electrode
- Check the detection electrode
Press the ON/OFF to Reset
- A temperature higher than 95°C has been detected.
Check the water pressure
Press the ON/OFF to Reset
- Verify the air intake/exaust fumes duct
Press the ON/OFF to Reset
Press the ON/OFF to Reset
Replace water outlet temperature sensor or repair
hardware circuit
Replace water inlet temperature sensor or repair
hardware circuit
Repair feedback needle or repair feedback
hardware circuit
Replace the fan or repair the fan drive and speed
detection hardware circuit
The water inlet temperature exceeding 65°C
Error in parameter setting, please contact a qualified
technician.