Why is the display light not turning on my ReliOn 510REL Thermometer?
- PPaula WangAug 15, 2025
If the display light on your ReliOn Thermometer isn't turning on, it's likely due to a low battery. Replacing the battery should solve this problem.
Why is the display light not turning on my ReliOn 510REL Thermometer?
If the display light on your ReliOn Thermometer isn't turning on, it's likely due to a low battery. Replacing the battery should solve this problem.
What to do if my ReliOn 510REL displays a blank mark?
If the ReliOn Thermometer displays a " " mark after illuminating all symbols, it indicates a low battery. Replace the battery to resolve this issue.
How to fix a ReliOn 510REL that won't turn on?
If nothing is displayed on your ReliOn Thermometer after turning it on, the possible causes are: * The battery is dead: Replace the battery. * The battery polarities (+ and -) are incorrect: Replace the battery with correct polarities.
What to do if my ReliOn 510REL shows flashing '°F' or '°C'?
If your ReliOn Thermometer shows flashing “°F” or “°C” symbols without a “0” symbol, it could be due to a few reasons: * The lens cover might be dirty: Replace it with a new one. * The lens might be dirty: Clean it with a cotton swab. * Ear drum may be blocked with earwax: Remove earwax.
Why does my ReliOn 510REL display a "0 0" symbol?
If your ReliOn Thermometer displays a "0 0" symbol, it means the unit is operating in a high room temperature environment, requiring a special operation. To resolve this: 1. Place the unit in the ear. 2. Wait 2 seconds. 3. Press the button and wait for 4 beeps. 4. Remove the unit from the ear and check the results.
Why is my ReliOn Thermometer reading too high?
To ensure an accurate temperature reading with your ReliOn Thermometer, make sure the probe is snug against the opening of the ear. Also, verify that the lens cover is clean and the ear canal is free of earwax.
Type | Digital Thermometer |
---|---|
Display | LCD |
Power Source | Battery |
Water Resistant | Yes |
Waterproof | No |
Measurement Site | Oral, Rectal |
Accuracy | ±0.1°C (±0.2°F) |
Battery | 1 x LR41 |
Auto Shut-Off | Yes |
Visual identification of the thermometer's components like lens, probe, and button.
Step-by-step instructions to switch measurement units between Fahrenheit and Centigrade.
Instructions for hygienic replacement of the lens cover.
Guide on turning on the unit, taking measurements, and using the memory function.
Advice on cleaning the thermometer and storing it in suitable environmental conditions.
Detailed steps for replacing the CR2032 battery, including polarity.
Summary of the thermometer's technical details like model, power, accuracy, and ranges.
Addresses common display messages like dead battery, polarity errors, and dirty lens.
Explains error codes like "Er.1" and issues related to temperature range extremes.
Important warnings regarding intended use, hygiene, handling, and environmental factors.
Details compliance with FCC rules and potential interference for US and Canadian users.
Provides a brief operational summary and customer service contact information.