Brand: BOSCH
Category: Laser Rangefinder
Manual Type:
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Manual for GLR225 - Troubleshooting and error codes + PDF Download
Uploaded: April 8, 2025, 1:53 p.m.
Warranty Summary
BOSCH GLR225 laser measuring tools are warranted for 3 years against defects in material or workmanship from date of purchase.
Basic Operation Summary:
- Power On/Off: Press the On/Off button.
- Select Measurement Mode: Use mode buttons (Length, Area, Volume, Min/Max, Indirect).
- Choose Reference Point: Select front, rear, pin, or tripod reference using the reference point button.
- Take Measurement: Press the measure button to activate laser and again to measure.
- Continuous Measurement: Activate continuous laser mode for tracking measurements.
- Memory Functions: Store, add, subtract, and retrieve measurements using memory buttons.
- Unit Change: Cycle through units (ft, m, in) using the unit button.
Troubleshooting and error codes
| Issue | Remedy |
|---|---|
| The indications “Hot” or “Cold” are indicated in the display; measurement not possible. | Wait until the rangefinder has reached the operating temperature |
| Battery indication “B” is indicated | Replace batteries |
| Battery indication a flashes, measurement not possible | Replace batteries |
| Battery voltage too low | Replace batteries |
| The indications “Error.” and “- - - -” are indicated in the display | - |
| The angle between the laser beam and the target is too acute. | Enlarge the angle between the laser beam and the target |
| The target surface reflects too intensely (e.g. a mirror) or insufficiently (e.g. black fabric), or the ambient light is too bright | Work with the laser target plate 25 (optional accessory) |
| The laser beam outlet 21 or the reception lens 22 are misted up (e.g. due to a rapid temperature change). | Wipe the laser beam outlet 21 and/or the reception lens 22 dry using a soft cloth |
| The calculated area or volume value is larger than 99990 ft² or ft³. | Change unit of measure to “m” |
| The indication “Error.” flashes at the top in the display Addition/Subtraction of different types of measurements | Only add/subtract of the same type |
| The target surface does not reflect correctly (e.g. water, glass). | Cover off the target surface |
| The laser beam outlet 21 or the reception lens 22 are covered. | Make sure that the laser beam outlet 21 or the reception lens 22 are unobstructed |
Troubleshooting and error codes
| Issue | Remedy |
|---|---|
| The indications “Hot” or “Cold” are indicated in the display; measurement not possible. | Wait until the rangefinder has reached the operating temperature |
| Battery indication “B” is indicated | Replace batteries |
| Battery indication a flashes, measurement not possible | Replace batteries |
| Battery voltage too low | Replace batteries |
| The indications “Error.” and “- - - -” are indicated in the display | - |
| The angle between the laser beam and the target is too acute. | Enlarge the angle between the laser beam and the target |
| The target surface reflects too intensely (e.g. a mirror) or insufficiently (e.g. black fabric), or the ambient light is too bright | Work with the laser target plate 25 (optional accessory) |
| The laser beam outlet 21 or the reception lens 22 are misted up (e.g. due to a rapid temperature change). | Wipe the laser beam outlet 21 and/or the reception lens 22 dry using a soft cloth |
| The calculated area or volume value is larger than 99990 ft² or ft³. | Change unit of measure to “m” |
| The indication “Error.” flashes at the top in the display Addition/Subtraction of different types of measurements | Only add/subtract of the same type |
| The target surface does not reflect correctly (e.g. water, glass). | Cover off the target surface |
| The laser beam outlet 21 or the reception lens 22 are covered. | Make sure that the laser beam outlet 21 or the reception lens 22 are unobstructed |