Airtowel S9 hand dryer repair attempt

*CAUTION* do not work on mains operated device unless you understand the risks and how to do so safely.

This time we look at a classic hand dryer found in many public rest rooms.
Tools I use -

Soldering
Quick 861DW hot air station
Duratech TS-1640 solder iron

Multimeter
RMM760D - can be found under many name badges

Microscope
Luzky Zoom 3.5 - 90x simul-focus single boom stand trinocular stereo microscope
Camera - Lucky Zoom HD 14MP

Oscilloscopes
Siglent SDS 1102CML 100MHz 2CH
Philips PM 3305 35MHz 2CH

Function generastor
FY6900 (many brand names)

Thermial imaging camera
FLIR ONE PRO on android

Bench supply
Powertech MP-3086 0-30V 3A

TL866II PLUS universal EEPROM programmer

Видео Airtowel S9 hand dryer repair attempt канала Jonny Fix