Please do take care to read the information thoroughly as it is there to help you understand fault codes and to keep you safe. There are also some help, tips and hints with a lot of the fault codes published here that you usually will not find anywhere else and, as we learn, we add more information so if you can't find what you need please ask in the forums.
Before using this section please understand that fault or error codes are used as a diagnostic aid, they are not a replacement for diagnostic skill on the part of the person repairing the product and are not in any way usually going to point to the precise component that is faulty. All they do is give you an idea of where to start looking for the fault.
Panasonic NA Series Washing Machine Fault Codes
This set of fault codes is for the Panasonic washing machines that start with NA in the model number and the error code is displayed in the main LCD display of the washing machine.
Panasonic Washing Machines Using These Error Codes: NA-168VX2, NA-168VG2, NA-148A2, NA-128VA2, NA-147VB2, NA-16VX1, NA-16VG1, NA-14VA1
North London Appliances Repair forums
We add more information as we learn so if you can't find what you need please ask in the Repair forums.
U11
The washing machine cannot drain
- Issue:
The washing machine cannot drain
- Advice:
- Check that filter is not blocked or obstructed
- Check drain hose is clear of any blockage or obstruction
- Check wiring to drain pump
- Check drain pump is not defective
- Check level sensor or switch
- Check wiring to level sensor
U12
The door is being read as being open
- Issue:
The door is being read as being open
- Advice:
- 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
- Issue:
An unbalanced load is detected in the washing machine
- Advice:
- 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
- Issue:
Washing machine fails to fill in twenty minutes
- Advice:
- 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
- Issue:
Pump or drain filter detected as being not secure
- Advice:
- Check that filter is secure
- Check wiring if fault persists
H01
Pressure sensor or level switch detected as out of range
- Issue:
Pressure sensor or level switch detected as out of range
- Advice:
- 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
- Issue:
Short circuit detected on the power relay of the main electronic control board
- Advice:
- Check wiring
- Replace electronic control PCB
H05
Data not being saved to the electronic controller
- Issue:
Data not being saved to the electronic controller
- Advice:
- Check wiring
- Replace electronic control PCB
- Check mode B in service mode
H07
Tacho generator signal from motor irregular or out of range
- Issue:
Tacho generator signal from motor irregular or out of range
- Advice:
- Check wiring to motor tacho
- Check motor wiring
- Replace motor
- Replace electronic control PCB
H09
Communication error between power and display electronic cards
- Issue:
Communication error between power and display electronic cards
- Advice:
- 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.
We add more information as we learn so if you can't find what you need please ask in the Repair forums. Alternatively you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit. We offer fixed price Panasonic Washing Machine Repairs in London.
H17
Wash thermistor or temperature sensor detected abnormal signal or out of range
- Issue:
Wash thermistor or temperature sensor detected abnormal signal or out of range
- Advice:
- Check wiring to temperature sensor
- Check temperature sensor
- Replace temperature sensor
H18
Motor thermistor sensor detected abnormal signal or out of range
- Issue:
Motor thermistor sensor detected abnormal signal or out of range
- Advice:
- Check motor connections
- Replace motor
H21
Pressure sensor detects water level increasing from water supply
- Issue:
Pressure sensor detects water level increasing from water supply
- Advice:
- 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
- Issue:
Heater relay on main control PCB detected abnormal or out of range
- Advice:
- Check electronic controller
- Replace main power electronic card
H25
Motor error detected
- Issue:
Motor error detected
- Advice:
- 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
- Issue:
Door lock on the washing machine will not engage with latch in place
- Advice:
- 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
- Issue:
Cooling fan detected as running slow, abnormal, short or open circuit
- Advice:
- 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
- Issue:
During spoin data cannot be obtained from 3D sensor
- Advice:
- Check wiring to 3D sensor
- Replace 3D sensor
- Replace main electronic controller if problem persists
H43
Leak detected to base of the washing machine
- Issue:
Leak detected to base of the washing machine
- Advice:
- Check for source of the leak
H46
Abnormal signal from leak detector in base of the washing machin
- Issue:
Abnormal signal from leak detector in base of the washing machine
- Advice:
- Check wiring to sensor
- Check sensor
- Replace main electronic controller is advice from Panasonic
H51
Overloaded motor detected
- Issue:
Overloaded motor detected
The washing machine has detected that the main drive motor is under stress for some reason.
- Advice:
- Check main drive motor
- Check main control board
H52
Too high input voltage detected
- Issue:
Too high input voltage detected
- Advice:
- Check mains electricity supply as this is caused by abnormal mains
H53
Too low voltage input detected
- Issue:
Too low voltage input detected
- Advice:
- Check mains electricity supply as this is caused by abnormal mains
H55
Abnormal current detected while the main motor is rotating
- Issue:
Abnormal current detected while the main motor is rotating
- Advice:
- Replace main drive motor
Arrange a visit from an Appliance engineer
If you do need an engineer to visit your home, help is at hand. We’ll arrange for an engineer near you to call in and fix your appliance, at a time that’s suitable for you.
Book online or give us a call on 0208 226 3633
London Only - Coverage Area | ( Monday - Friday: 8:00 - 20:00 / Saturday: 09:00 - 18:00 )
Warning! To avoid personal injury or death, always unplug the appliance or disconnect the power before attempting any repairs. Always turn off the gas at the source before repairing any gas appliance. Always wear safety glasses when using tools. Keep loose clothing and hair away from any moving parts. Safety is of major importance when performing any service or repair on any electrical appliance. Please, read our disclaimer before proceeding.
