Brand: STANLEY FATMAX
Category: Measuring Tool
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for TLM165s
Uploaded: April 20, 2026, 8:07 p.m.
Manual Publish Date: 2017-12-01
Warranty Information
STANLEY warrants this product for 2 years against material and workmanship defects.
Using the Tool
Measuring Distance: Point the laser at a wall or object and press ON. Distances are measured from the bottom, top, or endpiece of the tool. Continuous measure mode allows for real-time updates as you move.
Measuring Area: Measure width and length by pointing the laser and clicking to record measurements. The tool calculates the area.
Measuring Volume: Measure width, length, and height similarly to area, with the tool calculating the volume.
Measuring Height: Use 2 or 3 points to calculate the height of tall objects using the Pythagorean Theorem.
Adding/Subtracting: Combine or subtract measurements for total or differential values.
Unit Change: Select preferred units (ft, in, m).
Bluetooth: Pair with the STANLEY Smart Connect app for floor plan creation and data management.
Sound: Turn beeps ON or OFF.
Power Off: Hold ON for 10 seconds or let it auto-off after 90 seconds.
Troubleshooting and error codes
| Code | Description | Corrective Action |
|---|---|---|
| 101 | Received Signal Too Weak, Measuring Time Too Long | Use the target plate or change the target surface. |
| 102 | Received Signal Too High | Target is too reflective. Use the target plate or change the target surface. |
| 201 | Too Much Background Light | Reduce the background light on the target area. |
| 202 | Laser Beam Interrupted | Remove the obstacle and repeat the measurement. |
| 203 | Insufficient Power | Replace the batteries. |
| 301 | Temperature Too High | Allow the device to cool down to a temperature within the specified Operating Temperature Range. |
| 302 | Temperature Too Low | Allow the device to warm up to a temperature within the specified Operating Temperature Range. |
| 401 | Hardware Error | Switch the device on/off several times. If the error still occurs, return the defective device to the Service Center or distributor. Refer to the Warranty. |
| 402 | Unknown Error | Contact the Service Center or distributor. Refer to the Warranty. |