Ariston 100 L Manuel technique - Page 32
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Error
Component
fan
H5
evaporator sensor
Error
Component
H6
air sensor
Error
Component
H7
evaporator sensor
Error
Component
H8
hot water sensor
Fault cause
Fault mode
fan capacitor/motor broken → break
damaged wirings → not working
bad connection of wirings → not working
physical impediments to the movement of
fan blades → not working
blades broken
faulty component → out of tune
incorrect positioning
Fault cause
Fault mode
faulty component → short circuit
faulty component → open circuit
damaged wirings → open circuit
bad connection of wirings → open circuit
Fault cause
Fault mode
faulty component → short circuit
faulty component → open circuit
damaged wirings → open circuit
bad connection of wirings → open circuit
Fault cause
Fault mode
faulty component → short circuit
faulty component → open circuit
damaged wirings → open circuit
bad connection of wirings → open circuit
What to check
Check the functionality after a
•
temporary ON/OFF power
disconnection
Verify that the resistance between
•
terminals is between 200-500 Ω
Verify that the resistance between
•
the terminals and the ground
connection of the terminal block is
more than 1 MΩ
Visual check of the component
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"
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 correct connection with the
mainboard
What to check
Verify with a tester that the resistance
between terminals is compliant with
the "SENSOR TEST TABLE"
Verify the correct connection with the
mainboard
What to check
Verify with a tester that the resistance
between terminals is compliant with
the "SENSOR TEST TABLE"
Verify the correct connection with the
mainboard
32
What to do
If the component is faulty, replace it
If the component is faulty, replace it
Place the component in the right
position
Clean the component
If the component is faulty, replace it
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
What to do
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