Ariston 801 Instructions For Installation, Use, Maintenance page 42

241 Impressed Current Anode: Open Circuit
314 ON / OFF repeated
321 Corrupted data
331
Missing communication between Main Board and HMI
332
333 Mainboard – WiFi board missing communication
Missing Communication between Inverter and main
334
board
335 Safety board communication failure
336 Touch screen not working
337 Cascade master missing
42 / EN
Check the presence of water inside the product.
If the error persists, verify the anode proper functioning. Check the cor-
OFF OFF
rect assembly of anode wiring on related mainboard connector.
If the error persists, replace mainboard.
OFF OFF Wait 15 minutes before unlocking the product with ON/OFF button
Reset the product by pressing the ON / OFF button twice.
OFF OFF
If the error persists, replace the motherboard.
Reset the product by pushing the ON/OFF button twice. If the error persists,
OFF OFF
replace the mainboard-display communication wiring.
If WiFi present:
- Check cables between motherboard and HMI.
- If the error persists, replace the HMI module.
ON ON
If WiFi not present:
- Enter to the Installer Menu and set P31 OFF.
- If the error occurs again, replace the Main Board.
Check the communication cable and the related motherboard and TDC
ON OFF cables.
If the error persists, replace the TDC.
Reset the product by pressing the ON / OFF button twice.
OFF OFF
If the error persists, replace the motherboard.
Reset the product by pressing the ON / OFF button twice.
ON ON
If the error persists, replace the HMI.
Check that at least one of the products in the cascade is set as Master,
OFF OFF
otherwise set one.