Panasonic NA-V11FX2, Service Manual

Page: 47 / 62

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1432
-Check condition of the connectors
Thermistor
-Checking short open TH3
-Checking Screw of TH3 situation
-Replace the PC Board (Power side).
-Replace the Feeding Valve
-Operate the drain pump to drain water
-Check condition of the connectors
Heater
-Replace the PC Board (Power side).
· Check condition of the connectors of Door
lock switch.
· Replace to Door lock switch.
· Replace the PC Board (Power side).
- Check condition of the connectors of
Cooling fan.
· Replace to Cooling fan.
· Replace the PC Board (Power side).
Malfuction of
removed Incase breaking time shall be
measured lower than
-Check condition of the V-belt
belt. specification. -Replace the PC Board (Power side).
-Check the 3D sensor is installed
correctly.
-Replace the PC Board (Power side).
Abnormal
During spinning acceleration
data shall not be obtained or
- Replace the 3D sensor.
acceleration alternated. - Replace the PC Board (Power side).
sensor
Heater dry
burning
detection
Abnormal
vibration in
Spin process.
-Check condition of the connector.
-Replace the motor.
-Replace the PC Board (Power side).
Abnormal
high
voltage
Abnormal
low
voltage
-Checking Motor situation
-Checking IPM ( Power of Motor control)
H-66
Abnormal drive
loop of the drying
heate
r
Open or short circuit of Dry
heater -Check PCB power relay area ( Load
relay, Heater relay) Power off button Power on
button
When compared to the 10
seconds before the TH4 data
of every 5 seconds is
abnormal.
-Checking Motor dry of Fan case Unit
-Checking connector PCB to Fan case
-Replace the PC board
H-59
Power off button Power on
button
H-80
Power off button Power on
button
Abnormal warm
water thermistor
When open or shorted
thermistor (TH4) is detected.
Abnormal drying
thermal protector
The heater is working (in user
mode, and TH3 temperature is
below 50 ℃ )
-Checking 2 thermal protect
-Checking Heater was open or not
-Replace the PC board
Abnormality in
pulling out of the
air supply fan
connector (Poor
rotation)
H-53
Measure input voltage (
Voltage is below tolerance
level)
-Check input voltage to the washing
machine Power off button Power on
button
H-57
Abnormal
demagnetization
When the over current
detection circuit of the washing
motor has run for a total of 130
times
Power off button Power on
button
H-51
Overload
abnormality
When the motor is started, the
input signal of rotary sensor 1
does not change beyond the
specified time. (Restart for the
second time and perform the
abnormality detection)
Power off button Power on
button
H-52
Measure input voltage (
Voltage is above tolerance
level)
-Check input voltage to the washing
machine
Auto off
H-42
Every 5 seconds, the data
from the warm water
thermistor is compared with
the data obtained 10 second
ago, temperature difference is
detected to be 4 degree or
above for 3 consecutive times.
-Check PCB power relay area ( Load
relay, Heater relay) Power off button Power on
button
H-44
Detecting the drum rotation by
rotary detector in the motor. · Check rotation speed of the drum is
100r/min lower than selected spin rotation. Power off button Power on
button
H-40
Abnormal
acceleration
sensor installation
Detect abnormal signal of
every axial amplitude. Power off button Power on
button
H-41
Power off button Power on
button
H-29
Abnormal
Cooling fan
Rotation speed of the Cooling
fan should be detected below
1200r/min
Power off button Power on
button
H-35
Power off button (5 min)
Power on button
H-23
Short circuit or
open circuit of
the heater relay
Detect abnormal signal of the
Heater relay Power off button Power on
button
H-27
Abnormal door
lock
Door lock switch won’t operate
even operating position
Power off button Power on
button
H-17
Power off button Power on
button
H-21
Water level
detector abnormal
Water level detector detect
increasing of water level (
Includes foam)
Power off button Power on
button
H-11
Abnormal suction
thermistor Power off button Power on
button
When open or shorted
thermistor (TH1) is detected.
After the beginning of the
drying work
-Check condition of the connectors
Thermistor
-Replace the PC Board (Power side)