Toto Spares, Toto Parts, Toto Spare Parts, Spare Coe No : TCM1147.
The TOTO spare part TCM1147 is the seat occupancy sensor / seating switch assembly (also called the seat sensor IC in some regional parts catalogs). It detects when a user is seated so the Washlet can enable functions such as bidet washing, dryer, and energy-saving modes.
Part details:
- Part number: TCM1147 (also listed as TCM1147R in some markets)
- Part name:Seat sensor IC (Taiwan catalog)
- Seating Switch Assembly (Vietnam catalog)
- Function: Detects user presence on the toilet seat.
Compatible TOTO models (varies by region):
- TCF4731T / TCF4731A
- CES992
- CES9786
- CES9574T
- CES9787WT
- TCF712T
- TCF812T
- TCF989 series (certain variants)
If you're looking for a replacement, please provide:
- Your TOTO Washlet model number (e.g. TCF4731T, TCF712T), and
- Your country (India, Singapore, etc.),
and I can help identify the exact compatible replacement part and where to source it.
TOTO spare part TCM1147 is a Seating Switch Assembly (seat occupancy switch/sensor) used in selected TOTO Washlet electronic bidet seats. It detects when someone is sitting on the seat and enables or disables certain functions accordingly.
Uses of TCM1147
- Detects whether a user is seated on the toilet.
- Enables the rear wash, front wash (bidet), and warm air dryer only when the seat is occupied.
- Prevents accidental operation when nobody is sitting on the seat.
- Works with the Washlet's safety and energy-saving control system.
- Sends the seating signal to the main control board.
Symptoms of a faulty TCM1147
If this part fails, you may notice:
- Wash or bidet functions do not start even though power is on.
- The dryer does not operate.
- The seat occupancy indicator is not detected.
- The Washlet behaves as if nobody is sitting on the seat.
Parts catalogs identify TCM1147 as the 'Seating Switch Assembly', and in some regions it is also listed as TCM1147R (Seat IC/Seating IC).
If you tell me your TOTO Washlet model number (for example, TCF4731, TCF712, TCF812, or CES9786), I can confirm whether TCM1147 is the correct seat sensor for your unit and explain where it is installed and how it is tested.
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Company Name : Bharat Enterprises.
Web : www.bechennai.com.
Mobile No : 888 333 33 22.
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