To fix a Mr. Heater Buddy not lighting, ensure the propane tank is full, check the connection for leaks, clean the igniter and burner, and verify that the safety switch is engaged properly before attempting to light it again.
When your Mr Heater Buddy fails to light, it can leave you in the cold. These portable propane heaters are popular for camping, hunting, and emergency heating, but several issues can prevent them from working properly. Let’s explore the most effective solutions.
Common Reasons Your Mr Heater Won’t Light
1. Propane Supply Issues
First check your fuel source. For 1lb cylinders, ensure they’re not empty. If using a larger tank with a hose connection, verify the tank valve is open. The regulator might need resetting – disconnect and reconnect the hose.
2. Clogged Pilot Tube
Dirt or debris in the pilot tube is a frequent cause. Clean it with:
- Alcohol-soaked cotton swab
- Twist gently while inserting full 2 inches
- Repeat until clean
3. Stuck Safety Switches
The tip-over switch or off button can get stuck. Try:
- Firmly press the off button 10-15 times
- Lightly shake the heater side-to-side
- Tap the unit with your palm 5 times
Advanced Troubleshooting Steps
Thermocouple Problems
The thermocouple detects the pilot flame. If dirty or misaligned:
- Clean with steel wool or emery cloth
- Ensure it’s properly positioned in the flame
- Check connections are tight
For more on propane heater safety, see our guide on are propane heater fumes harmful.
ODS (Oxygen Depletion Sensor) Issues
The ODS is crucial for safety but can malfunction. Symptoms include:
| Symptom | Possible Cause |
|---|---|
| Pilot lights but won’t stay lit | Dirty ODS or weak thermocouple signal |
| No pilot light at all | Clogged ODS orifice |
Preventive Maintenance Tips
Regular Cleaning
Clean these components monthly during use:
- Burner ports (use compressed air)
- Pilot assembly
- Thermocouple tip
Proper Storage
When not in use:
- Disconnect propane source
- Store in dry location
- Cover to prevent dust accumulation
For more troubleshooting help, check our article on common propane space heater issues.
When to Seek Professional Help
If basic troubleshooting fails, consider:
- Replacing the ODS assembly (available from Mr Heater)
- Checking gas valve operation
- Inspecting for internal blockages
According to Mr Heater’s official site, persistent ignition problems may require replacement parts. The company offers technical support at 800-251-0001.
For alternative heating options, explore our review of ventless natural gas wall heaters.
