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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
|
