Error codes – Πλυντήρια ρούχων Panasonic NA Σειρές

U12
The door is being read as being open
·         Check door is closed
·         Check doorlatch etc.
·         Check door lock
·         Check wiring
·         Check electronic controller
U13
An unbalanced load is detected in the washing machine
·         Check load, sort and restart spin
·         Check belt if fault persists
·         Check motor if fault persists
U14
Washing machine fails to fill in twenty minutes
·         Check mains water pressure
·         Check inlet hoses for kinks
·         Check inlet filter
·         Check water inlet valve
·         Pressure switch fault
·         Wiring fault
U18
Pump or drain filter detected as being not secure
·         Check that filter is secure
·         Check wiring if fault persists
H01
Pressure sensor or level switch detected as out of range
·         Check wiring to level sensor
·         Check pressure switch is not defective
·         Replace pressure sensor
·         Replace main power PCB
H04
Short circuit detected on the power relay of the main electronic control board
·         Check wiring
·         Replace electronic control PCB
H05
Data not being saved to the electronic controller
·         Check wiring
·         Replace electronic control PCB
·         Check mode B in service mode
H07
Tacho generator signal from motor irregular or out of range
·         Check wiring to motor tacho
·         Check motor wiring
·         Replace motor
·         Replace electronic control PCB
H09
Communication error between power and display electronic cards
·         Check wiring between the electronic cards
·         Check electronic controllers
After this there is no option but to replace either or both cards as it is not possible to acertain which one is faulty on these washing machines.
H17
Wash thermistor or temperature sensor detected abnormal signal or out of range
·         Check wiring to temperature sensor
·         Check temperature sensor
·         Replace temperature sensor
H18
Motor thermistor sensor detected abnormal signal or out of range
·         Check motor connections
·         Replace motor
H21
Pressure sensor detects water level increasing from water supply
·         Clean the diaphram of water inlet valve
·         Check inlet valve operation
·         Repalce water inlet valve
H23
Heater relay on main control PCB detected abnormal or out of range
·         Check electronic controller
·         Replace main power electronic card
H25
Motor error detected
·         Check wiring to main motor
·         Replace motor
·         Replace power electronic card if problem persists
H27
Door lock on the washing machine will not engage with latch in place
·         Check wiring to door lock
·         Check door lock
·         Replace door lock
·         Replace main electronic controller if problem persists
H29
Cooling fan detected as running slow, abnormal, short or open circuit
·         Check wiring and connector to the cooling fan
·         Replace cooling fan
·         Replace main electronic controller if problem persists
H41
During spoin data cannot be obtained from 3D sensor
·         Check wiring to 3D sensor
·         Replace 3D sensor
·         Replace main electronic controller if problem persists
H43
Leak detected to base of the washing machine
·         Check for source of the leak
H46
Abnormal signal from leak detector in base of the washing machine
·         Check wiring to sensor
·         Check sensor
·         Replace main electronic controller is advice from Panasonic
H51
Overloaded motor detected
The washing machine has detected that the main drive motor is under stress for some reason.
·         Check main drive motor
·         Check main control board
H52
Too high input voltage detected
·         Check mains electricity supply as this is caused by abnormal mains
H53
Too low voltage input detected
·         Check mains electricity supply as this is caused by abnormal mains
H55
Abnormal current detected while the main motor is rotating
·         Replace main drive motor

 

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