Panasonic NR-B29SG2 - Display; Defrost Heater; Inverter; Thermal Fuse

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11.1.3. Display
Being used in electronic No-frost models. PC & FC settings,
menu & service mode and other settings are being adjusted
with display buttons. All settings can be seen via display
screen.
Possible Main PCB defects:
• Socket connection fault
• Damage on main PCB due to high voltage
• Relay contact fault on main PCB
• Display button fault
• Wavy display screen
11.1.4. Inverter
Being used to control and adjust compressor working fre-
quency also controls the LED inner lightning at product.
11.1.5. Defrost Heater:
Being used to defrost the icing formations.
11.1.6. Thermal fuse:
Being used in all no-frost models and placed on the right side of
fin evaporator. Defrosting will be terminated by DFC. In case of
faulty DFC, thermal fuse will switch off the circuit at +76 °C.