Ariston 100 L Техническое руководство - Страница 29
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Displayed faults
As soon as a fault occurs, the appliance enters into the fault mode while the display shows
flashing signals and visualises the error code. The water heater will continue supplying hot water
if the fault affects only one of two the heating units, by activating the heat pump or heating
element.
If the fault involves the heat pump, the symbol "HP" will flash on the screen, while the heating
element symbol will flash if the fault involves this component. If both components are affected,
both symbols will flash.
Error code
Heating element operation
E1
Heating
E2
element
E4
E5
H2
H3
H4
H5
Heat pump
H6
H7
H8
H9
F1
F2
Electronics
F3
F4
F5
Error
Component
water
E1
heating element
zone sensors
Error
Component
heating element
zone sensors
E2
water
Error
Component
heating element
E4
zone sensors
Error
Component
heating element
E5
zone sensors
TROUBLESHOOTING
Errors Index
Heat pump operation
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
Fault cause
Fault mode
water is missing
no tank filling
faulty component
out of tune
incorrect positioning
Fault cause
Fault mode
faulty component
out of tune
incorrect positioning
water is missing
no tank filling
Fault cause
Fault mode
bad connection of wirings
open circuit
damaged wirings
open circuit
faulty component
open/short circuit
Fault cause
Fault mode
faulty component → out of tune
incorrect positioning
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
What to check
Verify if the water is inside the tank
Verify with a tester that the resistance
between terminals is compliant with
the "SENSOR TEST TABLE"
Verify the proper positioning
What to check
Verify with a tester that the resistance
between terminals is compliant with
the "SENSOR TEST TABLE"
Verify the proper positioning
Verify if the water is inside the tank
What to check
Check the correct connection with the
mainboard
Visual check of the component
Verify with a tester that the resistance
between terminals is compliant with
the "SENSOR TEST TABLE"
What to check
Verify with a tester that the resistance
between terminals is compliant with
the "SENSOR TEST TABLE"
Verify the proper positioning
29
What to do
Fill the tank and Check the
functionality after a temporary
ON/OFF power disconnection
If the component is faulty, replace it
Place the component in the right
position
What to do
If the component is faulty, replace it
Place the component in the right
position
Fill the tank and Check the
functionality after a temporary
ON/OFF power disconnection
What to do
Place the component in the right
position
If the component is faulty, replace it
If the component is faulty, replace it
What to do
If the component is faulty, replace it
Place the component in the right
position