Master-Bilt Heater/Proofer Troubleshooting
Master-Bilt heater/proofers are known for their dual-purpose versatility and top-notch dependability. Although these units are built to last, problems may still occur on occasion. If you want to keep your equipment in good working order, this Master-Bilt heater/proofer troubleshooting guide will help you identify and resolve issues with your machine quickly and easily.
This information is for the HP6A-LX heater/proofing cabinet.
Heater/Proofer Won’t Turn On
- Machine isn’t plugged in - Plug the power cord into an electrical outlet.
- Unit isn’t turned on - Flip the power switch to the “On” position.
- On/Off switch or power cord is defective - Call an authorized technician to service the unit.
- Outlet doesn’t have power - Reach out to a licensed electrician to address the issue.
- Circuit breaker is off or tripped/fuse is blown - Turn the circuit breaker on. If issues persist, contact a licensed electrician for assistance.
Cabinet Is Too Cold
- Door is open - Close the door.
- Door seal is cracked or worn - Replace the seal.
- Thermostat setting is too low - Set the unit to a higher temperature. Be sure to adjust the temperature one increment at a time in order to find the best setting.
- Thermostat is defective - Schedule a service appointment with a licensed technician.
Machine Is Too Hot
- Thermostat setting is too high - Lower the temperature setting. Remember to change the setting one increment at a time in order to find the ideal temperature.
- Thermostat is defective - Contact an authorized technician to correct the issue.
No Humidity In Unit
- Pan is out of water - Add water to the pan.
- Selector switch is set to “Heat” - Set the switch to “Proof.”
- Humidity thermostat is set too low - Raise the humidity setting. Keep in mind that the best setting is usually 1/4 to 1/3 of maximum.
For more information on using, cleaning and maintaining your unit, check out the extensive library of Master-Bilt heater/proofer manuals on our site.