Your infrared heater may not be working due to issues such as a blown fuse, a faulty thermostat, a malfunctioning heating element, or improper power supply; check these components to diagnose the problem effectively.
An infrared heater that stops working can leave you in the cold. Unlike traditional heaters, infrared models use electromagnetic radiation to warm objects directly. When they fail, the problem often lies in power supply, thermostat issues, or heating element failures.
How Infrared Heaters Work
Infrared heaters emit electromagnetic waves that heat objects and people directly rather than warming the air. This makes them more efficient than conventional heaters. The heating process involves:
- Electric current passes through a resistant material (quartz tube or metal coil)
- The element heats up and emits infrared radiation
- Objects absorb this radiation and release heat into the space
Understanding this process helps diagnose why your heater might not be working properly.
Common Reasons Your Infrared Heater Stopped Working
Power Supply Problems
Many infrared heater failures stem from electrical issues:
- Check if the unit is properly plugged in
- Test the outlet with another device
- Inspect the power cord for damage
- Verify your circuit breaker hasn’t tripped
If using an extension cord, try plugging directly into the wall. Some infrared heaters draw significant power and may overload circuits. For more on electrical requirements, see our guide on electric water heater power consumption.
Thermostat Malfunctions
The thermostat regulates temperature output. Issues include:
| Symptom | Solution |
|---|---|
| Heater won’t turn on | Check thermostat settings and batteries |
| Inconsistent heating | Reset or replace thermostat |
| Temperature fluctuations | Test with alternate thermostat |
For remote-controlled models, replace batteries first. Some infrared heaters use advanced thermostats similar to those in baseboard heating systems.
Heating Element Failure
The heating element is the heart of your infrared heater. Common problems:
- Visible damage or breaks in quartz tubes
- Discoloration or burn marks
- Loose electrical connections
To inspect:
- Unplug the heater and let it cool completely
- Remove protective grills or covers
- Examine the element for damage
- Check wiring connections
Replacement elements are often available from manufacturers. The process resembles electric fireplace element replacement.
Advanced Troubleshooting
Fan and Airflow Issues
Some infrared heaters include fans to distribute heat. Problems may include:
- Obstructed air intake or exhaust
- Failed fan motor
- Dust buildup on blades
Clean vents with compressed air and check fan operation. Noisy operation often indicates bearing wear.
Safety Features Causing Shutdown
Modern infrared heaters include safety cutoffs:
- Overheat protection
- Tip-over switches
- Thermal fuses
If your heater shuts off unexpectedly, check for:
- Proper ventilation around unit
- Level placement on stable surface
- Reset buttons or switches
Electrical Component Failures
Internal components can fail over time:
| Component | Symptoms |
|---|---|
| Control board | No response to controls |
| Relays | Clicking sounds without heat |
| Wiring | Intermittent operation |
These repairs often require professional service. For similar electrical issues, see our water heater fuse replacement guide.
Preventive Maintenance Tips
Regular care extends your infrared heater’s life:
- Clean reflectors and elements quarterly
- Inspect power cords monthly
- Keep vents unobstructed
- Store properly during off-seasons
For optimal performance, follow the manufacturer’s maintenance schedule. Proper care prevents many common issues.
When to Call a Professional
Seek expert help for:
- Electrical repairs beyond basic troubleshooting
- Gas-powered infrared heater issues
- Warranty-covered repairs
- Complex component replacements
Safety first – don’t attempt repairs you’re uncomfortable with. For gas heater problems, our gas heater troubleshooting guide offers additional help.
