Skip to main content

Fix Your Stuff

Right to Repair

Store

Introduction

Here is how to replace the temperature sensor on your heat recovery unit.

Temperature sensor with probe for De Longhi heat recovery unit

  1. Heat-recovery unit bricked with PF error (fault temperature sensor)
    • Heat-recovery unit bricked with PF error (fault temperature sensor)

  2. Remove the four Phillips screws with a Phillips screwdriver.
    • Remove the four Phillips screws with a Phillips screwdriver.

    • Remove the remaining 2 screws with a Torx screwdriver.

    • Remove the cover

  3. Open the clamps by unhooking them with pliers or flathead screwdriver.
    • Open the clamps by unhooking them with pliers or flathead screwdriver.

  4. Unscrew the Phillips screw to remove the temperature sensor.
    • Unscrew the Phillips screw to remove the temperature sensor.

  5. Unclip the temperature sensor connector from the motherboard.
    • Unclip the temperature sensor connector from the motherboard.

  6. The temperature sensor had broken because it was corroded by moisture and therefore rusted.
    • The temperature sensor had broken because it was corroded by moisture and therefore rusted.

  7. With a soldering iron solder I proceeded to weld the broken part and connect the 2 tracks by applying electric wire and tin. If the component can not be repaired, you can find the complete electronic board replacement here
    • With a soldering iron solder I proceeded to weld the broken part and connect the 2 tracks by applying electric wire and tin.

    • If the component can not be repaired, you can find the complete electronic board replacement here

Conclusion

To reassemble your device, follow these instructions in reverse order.

One other person completed this guide.

Special thanks to these translators:

91%

Aaron Cooke is helping us fix the world! Want to contribute?
Start translating ›

Smilzo

Member since: 11/09/2013

9,128 Reputation

38 Guides authored

0 Comments

Add Comment

View Statistics:

Past 24 Hours: 2

Past 7 Days: 9

Past 30 Days: 52

All Time: 911