
84
OPERATOR'S MANUAL
EN
ERRORS (CATEGORY H)
CODE
POSSIBLE CAUSE
SOLUTION
H410
Malfunction of electronic control board.
If the problem persists, contact Technical
Service Department.
H560
Malfunction in temperature detection
during washing.
If the problem persists, contact Technical
Service Department.
H561
Too high temperature during washing.
If the problem persists, contact Technical
Service Department.
H562
Too low temperature during washing.
Presence of excessive load.
Repeat the cycle removing a part of the
load.
If the problem persists, contact Technical
Service Department
H650
Presence of water leakage in the internal
water circuit or malfunction in level
detection during washing phase.
Wrong drainage system connection.
In case of leakage close the water filling
tap and contact Technical Service
Department.
Make sure that drainage system is
correctly connected.
H651
Solenoid valves leakage or malfunction
in level detection during washing phase.
Close the water filling tap and contact
Technical Service Department.
H652
Presence of water leakage in the internal
water circuit or malfunction in level
detection during thermal disinfection
phase.
Wrong drainage system connection.
In case of leakage close the water filling
tap and contact Technical Service
Department.
Make sure that drainage system is
correctly connected.
H653
Solenoid valves leakage or malfunction
in level detection during thermal
disinfection phase.
Close the water filling tap and contact
Technical Service Department.
H750
Malfunction in temperature detection
during thermal disinfection.
If the problem persists, contact Technical
Service Department.
H751
Too high temperature during thermal
disinfection.
If the problem persists, contact Technical
Service Department.
H752
Too low temperature during thermal
disinfection. Presence of excessive load.
Repeat the cycle removing a part of the
load. If the problem persists, contact
Technical Service Department.
H801
'Detergent circuit clogging. Failure or
malfunction of detergent pump.
Detergent flowmeter failure. Presence of
air inside the circuit'.
If the problem persists, contact Technical
Service Department.
H950
Unstable communication between control
board and ultrasound board.
If the problem persists, contact Technical
Service Department.
H951
Lack of power supply or one or more
sonotrodes failed or damaged connection
between transducers and ultrasound
board.
If the problem persists, contact Technical
Service Department.
H952
Malfunction or failure of ultrasound board
or of one or more transducers.
If the problem persists, contact Technical
Service Department.
H953
Malfunction or failure of ultrasound board
or of one or more transducers.
If the problem persists, contact Technical
Service Department.
H954
Lack of communication between control
board and ultrasound board.
If the problem persists, contact Technical
Service Department.
H955
Too low machine power supply
voltage. Insufficient ultrasound
power.
If the problem persists, contact
Technical Service Department.
H956
Ultrasound board internal memory
corruption.
Update attempt with corrupted file.
Update ultrasound board software.
If the problem persists, contact
Technical Service Department.