Difficulty

Moderate

Steps

3

Time Required

                          45 minutes

Sections

1

  • Power board repair
  • 3 steps

Flags

2

In Progress

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  • BackPhilips Fritteuse Friteuse Airfryer Rapid Air Technology HD 9240

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Introduction

What you need

Step 1

              Power board repair
  • Open the device: Unscrew the 4 Torx screws (use a long-necked screwdriver)

Open the device: Unscrew the 4 Torx screws (use a long-necked screwdriver)

1024

Step 2

  • Desolder marked components.
  • Solder spare parts:
  • C6: 10uF/50V, low ESR (short circuit)
  • PWM controller
  • Fuse resistors R1 and R12: 47 ohms, 2W (blown)

Desolder marked components.

Solder spare parts:

C6: 10uF/50V, low ESR (short circuit)

PWM controller

Fuse resistors R1 and R12: 47 ohms, 2W (blown)

Step 3

  • Put the device back together and test it ;)

Put the device back together and test it ;)

  • Heating wire: 25.6 Ohm measured —> intactNTC resistance: 123 kOhm measured (@20°C) —> intact230V measured at the connection on the board —> thermal fuses (SF1888RJ) intact

*

Credits: https://www.microcontroller.net/topic/46…

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                    Thomas Zurbrügg

Member since: 03/29/2021

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