Panasonic NA-128VB6WAE Service Manual page 34

11.2. Heater
Heating element (Resistance) is a component which is
designed to regulate temperature of water inside the drum.
It has three connections: Phase, neutral and ground con-
nections.
Heater type
Nominal voltage
You can determine the ohm value of resistance by measuring from the socket with grey and brown cables
Tubular heating element with NTC-sensor
230 V
Check the resistance value on the component with multimeter as shown below.
Resistance value should be between 26.4 ±5% 
(referring to X6 on the electronic card).
Technical features
Nominal power
Resistance
Thermal fuse
Testing component
Component test
34
2000 W (±5%)
26.4 ±5% 
2 sided