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How do I test my heating cable(s)?
Heating Mats – DWM
Heater resistance should be tested before, during, and after installation to ensure that the heating cable has not been compromised.
To test your heating system you will need a digital multimeter with a 200 ohm setting. If necessary, you can purchase one here.
You should carry out the following tests and record your results:
Core to core – this should give you the ohms value listed in the manual for the heater(s) installed within 5%.
Both legs to ground – This should give you 0 or 1 if you are using the Warmup Alligator.
If you do not get a ohms reading(open circuit ) or you get a reading across Live/Neutral – Earth, Contact Warmup support for further assistance.
Subscribe to the Warmup YouTube chanel here.
Further testing can be conducted with a megger (mega-ohmmeter):
https://warmupedia.warmup.com/questions/test-cables-using-megger-mega-ohmmeter/
Further Questions?
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Troubleshooting
- What if my thermostat screen is black and won’t turn on?
- Check the Resistance Readings of your Electric Floor Heating System
- What are the electrical requirements for my Warmup system?
- Ground Fault Error: What does this Mean if my Thermostat has “Ground Fault Error” on the Display?
- Why is my Floor Temperature Reading Incorrect?
- Why hasn’t my Controller activated my snowmelt system if its snowing?
- What if the Sensor Probe Reads Higher or Lower than Actual Temperature?
- What does “ER1” on the thermostat display mean?
- Was your electric floor heating system installed directly on a concrete slab?
- Un-Mounting Your Thermostat
- Thermostat Reads Error Message “ER2” on the Display?
- Should I use Self-leveler or Thinset ?
- Output Fault Detected on the Display
- Once a repair has been completed, can I replace the tile right away?
- My Floor has No Heat but There Are No Error Messages?
- Is it Normal if my Thermostat Makes a Clicking Noise?
- Heater Error: What Does it Mean if my Thermostat Reads “Heater Error” on the Display?
- Can I Cut the Electric Floor Heating System Wire if I Have too Much?
- Can I cut my floor heating mat if it’s too large?
- Are you getting a “Ground Fault” error after a few years?
- “ER1 Out” Thermostat Reading on the Display
- How to repair an electric floor heating cable system
- Floor Probe Installation Instructions
- Check the Resistance Readings of your Electric Floor Heating System
- What if my thermostat screen is black and won’t turn on?
- What are the electrical requirements for my Warmup system?
- I nicked the wire slightly; do I need a repair kit?
- Why is my thermostat flashing?
- Can I have a technician come to my home?
- How do I test my thermostats GFCI?
- How does the infrared thermal camera work?
- Why does my thermostat say test monthly?
- What can I do if my old thermostat has stopped working?
- Why is my thermostat stuck on the Warmup screen?
- Is it possible to repair damaged underfloor heating?
- Can I delete a WSM in the application?
- What should I do if I change my WiFi settings at home and my WSM is not online anymore?
- How do I perform a factory reset on the WSM ?
- How do I connect my WSM-252W to WiFi?
- How do I test a floor probe?
- How do I test my heating cable(s)?
- Comment tester mon (mes) câble(s) chauffant(s) ?
- What is the difference between a Watch Dog and an Alligator?
- ER1 on the Thermostat Meaning
- How to Check the Resistance Readings of your Electric Floor Heating System
- What Does the Control Fault Error Message Mean?
- What Does the Error Message on my Tempo Mean?
- How do I test my system using a Megger (Mega-Ohmmeter)?
- What does it mean if my thermostat reads “output fault detected” on the display?
- What is causing my thermostat to keep tripping requiring that I press the reset button?
- What does it mean if my thermostat reads “ER 1 Out” on the display?
- What if my thermostat says system is on however the floor is not heating up?
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Wiring
- What if my thermostat screen is black and won’t turn on?
- Can I install a 120V mat on one leg of a double pole breaker?
- Can I Have Another Thermostat as an Acting Relay?
- Floor Probe Installation Instructions
- Will the Electric Floor Heating System Work Without the Floor Sensor Probe?
- Why does my heater have a ground wire but the thermostat has no terminal for ground?
- What is the EMF level of Warmup cables?
- What if my thermostat screen is black and won’t turn on?
- What gauge wire should be used for the CIT-1?
- What are the electrical requirements for my Warmup system?
- Should I use a 120V or 240V electric floor heating system?
- Is the electric floor heating system wired correctly?
- Is the CIT-1 sensor high or low voltage?
- If I have too much mat or cable, can I cut it?
- I nicked the wire slightly; do I need a repair kit?
- Can I upgrade to the 6iE?
- Wiring the DS-9 Controller
- Can you wire floor heat for 120 or 240 volt?
- How far away from the thermostat can the relay be mounted?
- Can multiple relays be used?
- Do Warmup outdoor controls have GFEP protection?
- What gauge wire should be used?
- What is the largest breaker allowed by code to power a snow melting system?
- What is the difference between a Watch Dog and an Alligator?
- How to Check the Resistance Readings of your Electric Floor Heating System
- How do I wire my WSM-63 to my DS2 controller?
- How do I wire my WSM-63 to my ETO2 controller?
- How Do I Wire my Tempo Thermostat?
- Do you have to wire the floor sensor probe that comes with the 3iE thermostat?
- How to wire the 3iE Energy-Monitoring Floor Heating Thermostat
- How To Wire the DS-2 Controller ?
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Miscellaneous questions
- Why is my Floor not Reaching Target Temperature?
- Why does my thermostat trip every time it reaches the same temperature?
- Why does my floor heat unevenly?
- Why does my floor get warmer in some spots?
- When my screen goes dark, will my floor continue to heat?
- When I push the test monthly button on my thermostat, the screen goes red and tells me to call Warmup. Should I be worried?
- The Factory Joint Rule
- How can I turn my system on or off completely?
- Does the 3iE have a battery backup?
- Can I replace tile immediately when repair is completed?
- Can I use an uncoupling membrane with the NADWS cable ?
- Can I install my Warmup system directly on top of plywood ?
- Can I connect one Warmup heater to another in series?
- Can I connect more than one Warmup heater to a thermostat?
- Can a wooden floating floor be installed directly over the Warmup NADWS system?
- At what temperature does the CIT-1 sensor activate?
- What type of thinset should I use with my Warmup system?
- How Long will my Electric Floor Heating System Take to Heat Up?
- Do I choose cable or mat electric floor heating systems?
- Can I Cut the Electric Floor Heating System Wire if I Have too Much?
- Can I cut my floor heating mat if it’s too large?
- Why does my heater have a ground wire but the thermostat has no terminal for ground?
- What is the EMF level of Warmup cables?
- Should I use a 120V or 240V electric floor heating system?
- Can I upgrade to the 6iE?
- How much accumulation can a snow melting system handle?
- Can I use area rugs with underfloor heating?
- What are the differences between the old WSM version (before 2020) and the new?
- Can I reset my password?
- What is an uncoupling system?
- How much does underfloor heating cost to operate?
- What does the DCM-PRO Warranty Cover?
- Will the membrane keep it’s decoupling capability over time?
- Will the peel-and-stick glue ever dry?
- Does Warmup Underfloor Heating Comply with Title 24?
- What Does the Error Message on my Tempo Mean?
- How do I test my system using a Megger (Mega-Ohmmeter)?
- Can I Install my Floor Heat over an Existing Sheet of Vinyl Floor?
- Programming the Floor Temperature
- Initial Set up of the 3iE Energy Monitoring Floor Heating Thermostat
- My sensor triggers properly most of the time but seems to miss very wet snow.
-
Installation
- What are the electrical requirements for my Warmup system?
- Why does my floor heat unevenly?
- Why does my floor get warmer in some spots?
- Master/Relay (relay reading ER1)
- Installation tips for the Electric Floor Heating Mat System
- How to install a floor heating mat around a drain in a shower ?
- How far from the controller can the CIT-1 sensor be placed?
- How do I turn on my thermostat unit?
- How do I check if the cable is working ?
- Can my sensor probe be extended?
- Can I install directly onto durock or hardieboard?
- The Factory Joint Rule
- Warmup Shower Installations
- Installation of the CIT-1
- How do I install the factory joint which is thicker than the heater wire?
- Can Warmup Electric Heating be Installed in a Shower?
- Can I install my Warmup system directly on top of plywood ?
- Can I install a 120V mat on one leg of a double pole breaker?
- Can I Have Another Thermostat as an Acting Relay?
- Can I connect one Warmup heater to another in series?
- Can I connect more than one Warmup heater to a thermostat?
- Can a wooden floating floor be installed directly over the Warmup NADWS system?
- What type of thinset should I use with my Warmup system?
- What do I need to prepare for my electric floor heating project?
- Do I choose cable or mat electric floor heating systems?
- Was your electric floor heating system installed directly on a concrete slab?
- Can I cut my floor heating mat if it’s too large?
- Specialized installation – under Nailed Hardwood
- Floor Probe Installation Instructions
- Floor Heating Loose Wire Installation Video
- Electric Floor Heating Mat Installation Video
- Will the Electric Floor Heating System Work Without the Floor Sensor Probe?
- Why does my heater have a ground wire but the thermostat has no terminal for ground?
- What are the electrical requirements for my Warmup system?
- If I have too much mat or cable, can I cut it?
- Can I upgrade to the 6iE?
- How far away from the wall should floor heat be installed?
- Can I cross floor heating cables?
- How long after flooring installation should we wait to use the heat?
- Can you install over tile?
- Can you trim the floor sensor?
- How do I register a product warranty?
- Does the membrane adhere well to Warmup insulation boards?
- Can I install directly onto durock or hardieboard?
- Does Warmup restrict tile size?
- What can I do if I do not have enough cable?
- Can I mount my thermostat anywhere?
- Is there a video guide for installing the DCM-PRO system?
- What system works best with tile flooring?
- How do I test my heating cable(s)?
- Comment tester mon (mes) câble(s) chauffant(s) ?
- What is the difference between a Watch Dog and an Alligator?
- How much self leveler goes over the membrane?
- Is it possible to put less leveler over the membrane?
- Can the cable be spaced at 2 pegs?
- Does having a membrane change the cure time?
- Should we roll the membrane?
- Does self-leveling grip on the membrane?
- Which thin set is recommended in Québec?
- What type of thin set can be used with the DCM-PRO system?
- Should I use primer?
- Should I leave space between membrane sheets?
- Can I Install a Warmup System Under Carpet Tiles?
- How do I Mount my Tempo Thermostat?
- How do I test my system using a Megger (Mega-Ohmmeter)?
- Is GFCI (Ground Fault Circuit Interrupter) Required for Bathrooms?
- Can I Install my Floor Heat over an Existing Sheet of Vinyl Floor?
- Conduit Requirements when Installing a Warmup System
- Where do I place the sensor probe when installing the DCM-PRO cables?
- Mounting the 3iE Energy Monitoring Floor Heating Thermostat
- Can I install a wooden floating floor directly on top of the cable ?
- Can the cold tail lead of your Warmup indoor heating system be extended?
- Can the lead of your Warmup heating system be trimmed?
-
Preparing for your project
- What type of thinset should I use with my Warmup system?
- What do I need to prepare for my electric floor heating project?
- How Long will my Electric Floor Heating System Take to Heat Up?
- Do I choose cable or mat electric floor heating systems?
- Was your electric floor heating system installed directly on a concrete slab?
- Should I use Self-leveler or Thinset ?
- Floor Probe Installation Instructions
- What are the electrical requirements for my Warmup system?
- How much accumulation can a snow melting system handle?
- Can I install floor heat under my tub?
- Do Warmup thermostats zone?
- Does every room with floor heat need its own thermostat?
- What product do I use if I need 110V?
- Can floor heating be used as a primary heat source?
- Can I heat under furniture?
- Can I download the application manual ?
- Do Warmup outdoor controls have GFEP protection?
- How thick is the heated floor mat?
- How thick is DCM-PRO?
- What system works best with vinyl flooring?
- What system works best with tile flooring?
- How do Floor Heating Systems Work?
- Calculating Heat Loss: How many BTU’s are in a watt?
- How do I change the probe setting on my Tempo thermostat?
- Does Warmup Underfloor Heating Comply with Title 24?
- Is GFCI (Ground Fault Circuit Interrupter) Required for Bathrooms?
- Can I Install my Floor Heat over an Existing Sheet of Vinyl Floor?
- Can you Heat under Glass Mosaic Tiles?
- Conduit Requirements when Installing a Warmup System
-
Programming
- Why can’t I program my thermostat to read air temperature?
- What does the LD Dip Switch mean?
- What does the DEL Dip Switch mean?
- 3iE Making Temporary Temperature Adjustments
- 3iE Basic temperature programming/Setting each day separately
- 3iE Adjusting the time
- How do I test my thermostats GFCI?
- How do Warmup thermostats work?
- I can’t add a new WSM in the app
- What are heating limits?
- Can I turn my thermostat above 86°F?
- What are the Three Setting Dials around the Large Timer on the WSM-63?
- How-to: Programming Your Tempo Thermostat
- What is the purpose of the LTC Dip Switch?