Williams Wall Heater Troubleshooting - Common Problems and Solutions

Published by 
AllThingsHVAC
Last updated: 
March 26, 2018

Williams Wall Heater Troubleshooting Guide

Introduction

Wall heaters are a popular choice for those living in studio apartments, compact living spaces, or working in smaller offices. According to our research, they are preferred because they produce a comfortable amount of heat while taking up minimal floor space. However, when a wall heater stops working, it can be frustrating. Luckily, the Williams website provides useful troubleshooting steps for their wall heaters.

Common Issues

Some common issues with wall heaters include:

  • The heater blowing cold or cool air instead of warm air. This can be caused by a dirty air filter or a leak in the duct system, which may require checking the attic or crawl space. It's also important to check for pilot light issues and ensure the gas valve is on. If the pilot light cannot be lit, it's best to call a professional. Another potential cause is insufficient or no fuel in the heater system.
  • The device not staying on or lit. In newer electric heating systems without a pilot light, a dirty sensor may need to be cleaned.
  • The heater not turning off. Check if the switch is set to "auto" instead of "on." If this is not the case, the thermostat or furnace may be broken. Replacing a thermostat can be a DIY task, but replacing a furnace may require a professional.

If these steps do not resolve the issue, contact a Williams wall heater troubleshooting professional for further assistance.

Tools Required

To troubleshoot your wall heater, you may need the following tools:

  • 8 to 12-inch adjustable wrenches for removing the heater control knob
  • Philips Flat head screwdriver for loosening knob stem nuts, face plate mounting screws, and removing the unit from the wall
  • Clean rag for cleaning dirt from sensors or ducts

If these tools or steps do not resolve the issue, contact the Williams wall heater troubleshooting service.

Furnace Troubleshooting

Additional furnace-related issues and their potential causes include:

  • The pilot not staying lit after following lighting instructions, which could be due to loose or dirty valve connections, or a defective generator or gas valve.
  • No gas reaching the main burner, which could be caused by the gas valve not being in the "on" position, the furnace not being plugged in, or a defective thermostat or valve.
  • The furnace working but shutting off before heating the room or not producing enough heat, which may occur if the furnace is too small for the area it is trying to heat or due to thermostat placement.
  • The furnace working but not shutting off when the desired temperature is reached, which can be caused by a defective thermostat, wiring issues, or a valve that won't close.

For any questions or concerns about these furnace issues, refer to the Williams wall heating troubleshooting resources.

Safety Precautions

When troubleshooting your wall heater or furnace, it's essential to follow these safety precautions:

  • Allow the furnace to cool down before examining it to prevent burns.
  • Never open a flue to expel gases into another room, fireplace, or any part of the building's interior.
  • Keep clothing and other flammable or combustible items away from the furnace. Consult the Williams wall heater troubleshooting resources if unsure about what is safe around the furnace or heaters.
  • Wear protective gear, such as gloves and safety glasses, to avoid injury from sharp metal edges or while cutting or drilling holes in wood or metal.
  • Label all wires before disconnecting them to prevent damage. If unsure about which wires to disconnect, consult the Williams wall heater troubleshooting resources.
  • Set the thermostat to the lowest temperature while working on the furnace or heating system.
  • Turn off all electric power to the heater while making adjustments.
  • Keep the burner and control compartment areas as clean as possible.

Gas Leak Safety

If you have a gas heater and smell gas, follow these steps:

  1. Open all windows.
  2. Keep all appliances off and do not touch any electrical switches.
  3. If you need to use your cell phone, step outside the house. Do not use any landline phones while inside.
  4. Extinguish any open flames, such as in a fireplace.
  5. Once outside, call your gas company or the fire department if you cannot reach the gas company.
  6. Contact the Williams wall heater troubleshooting service to speak with a specialist immediately.

Conclusion

Wall heaters are generally very safe, but it's important to consider the placement of furniture. Keep furniture away from the outflow of heated air for optimal safety and performance. Repairs are usually minimal, but if you have questions or concerns about your wall heater and need professional assistance, contact the Williams wall heater troubleshooting service by calling Williams or referring to their website for guidance.

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