Troubleshooting; Maintenance Non-Heating Malfunction; Fault Tree - Panasonic NA-126MB1WSA Service Manual

7 TROUBLESHOOTING

Fault tree

1. Maintenance non-heating malfunction

Non-heating
Whether NTC is
short or open
Whether the
connection is
Whether the
heater is well
Change the PCB
Y
circuit
N
correct
Y
Y
Y
Change NTC
N
Reliable connection
N
Change the heater
23