SQWCHASS-K Contactless Toilet Indicator & Touch Sensor: Seamless Hygiene and Efficiency
Contactless Toilet Indicator with Antimicrobial Protection
This innovative square contactless toilet indicator features a scratch-resistant, antimicrobial acrylic label and operates with a simple hand approach. When activated, the switch triggers red and blue LEDs to indicate whether the restroom is engaged or vacant. It is powered by a versatile 12-24V DC power source.
Key Features:
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Contactless Operation: Activation range of up to 70mm for touch-free operation, ensuring hygienic use.
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Antimicrobial Protection: The label is protected by SteriTouch®, an additive that kills 99.9% of germs, including harmful bacteria such as E. coli, MRSA, Salmonella, and the flu virus.
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Prevents Mould Growth: SteriTouch® helps prevent mould, biofilm, and fungi growth, which can cause costly redecoration cycles and respiratory issues, especially in damp environments.
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Long-lasting Protection: The antimicrobial effect works continuously to prevent bacterial contamination, eliminate odours, and protect against staining and degradation, extending the life of the product.
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Clear Status Indicators: Red and blue LEDs clearly indicate whether the restroom is engaged or vacant, ensuring quick, intuitive use.
Additional information
| Weight | 0.27 kg |
- Square illuminated external no touch sensor for disabled toilet system/ toilet locking system
- Switch to activate assisted entry, if toilet is vacant
- 12-28Vdc
- Entire label is sensitive
- Red & blue LED indicators to show engaged/vacant status
- Sounder on activation
- Scratch resistant anti-microbial acrylic label
- Reinforced nylon housing
- Comes with built in emergency override key switch
- IP54
✔ Solution:
- Link out the door switch terminals on the control board.
- If this works, inspect the mag lock reed switch/monitoring wiring and armature plate alignment.
- Ensure the mag lock provides a normally closed (NC) signal when the door is shut.
✔ Step-by-step checks (de-power system for 10 seconds after each step):
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Ensure the sensor is securely mounted on the wall, not dangling or handheld.
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Verify the jumper next to the touch sensor relay is in place and functioning.
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Use a multimeter to check voltage at the touch sensor (+V and 0V).
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Ensure 0V is connected to the correct terminal, not the REM terminal.
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Disconnect the sensor from existing cabling and test it with a short cable directly to the power supply to rule out cable issues.
✔ Solution:
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Ensure mag lock contacts are wired into the door switch terminals on the control board.
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Adjust the potentiometer on the internal touch sensor to switch for 3 – 5 seconds.
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Reduce the sensitivity of the internal touch sensor, especially if emergency lighting or hand dryers are nearby.
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Remove any excess cable inside the touch sensor back box.
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Re-terminate internal touch sensor connections.
✔ Solution:
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Remove the two wires from the C and NO door activation terminals on the control board and join them together.
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If the door still doesn’t open, the problem lies with the operator—contact the supplier/manufacturer.
✔ Solution:
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Check the position of the override keyswitch on the external sensor.
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Ensure the break glass hasn’t been pressed.
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Inspect the lock fuse.
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Link out the NC & KS/BG terminals on the control board.
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If the system works after linking, but your keyswitch and break glass are correctly positioned, there is likely a cable break.
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Use a multimeter to check for voltage at the mag lock.
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If voltage is present but the lock isn’t engaging, the lock is faulty.
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✔ Solution:
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Verify that the solid/flashing LED jumper on the control board is in place.
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If using square sensors, the LED wires should connect to the larger outer PCB (see page 10 of the manual).
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Use a multimeter to check voltage at the touch sensor LED terminals.
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The LEDs have a separate power supply from the sensor itself—if the sensor beeps but LEDs don’t light, check for a cable break.
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Remove the sensor from the wall and connect it directly to the control board using a short cable to rule out wiring issues.
✔ Solution:
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Change the jumper position on the control board.
✔ Solution:
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Adjust the potentiometer on the internal touch sensor to switch for 3 – 5 seconds.
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This may occur if the mag lock contact is intermittently opening and closing while the touch sensor is still beeping.
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Check armature alignment and ensure the door does not judder when opening.
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If the issue persists, replace the mag lock or install a standard magnetic door contact instead.
✔ Yes!
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Multiple Door Assist or Touch to Lock/Open sensors can be wired in parallel for seamless operation.
