The ER1 message will also occur if no floor sensor is connected to the thermostat. Have your electrician make sure that the sensor probe wires are securely connected in ports 1 and 2 of the thermostat. If sensor was not installed, your thermostat can be programmed to read the air temperature instead by following the steps below.
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The HI/LO error message means that the ambient sensor readings (on snow sensor) are out of reliable measuring range. Click “Read More” for details.
Error 2 “SensErr 2” will appear when the upper limit sensor is not connected or has short-circuited. Click “Read More” for details.
Error 1 “SensErr 1” will appear when there is a communication error with one (or more) snow sensors. Click “Read More” for details.
Without a thermal break, the concrete acts as a heat sink. Therefore, the heat is drawn first into the concrete sub-floor before your floor covering. This is why Warmup recommends installing Warmup Insulation Boards over the concrete sub-floor to act as a thermal break. This forces the heat radiate upwards first rather than down into the concrete slab. Warmup insulation boards can increase ramp up time by over 70% and decrease heat loss by over 90%.
Please click “Read More” for instructions on how to un-mount your thermostat
Instead, try pulling the cable off the mesh and spacing the cable every 2 or 2.5 inches apart. Consult your installation manual with further questions regarding where the cable or mat can be run.
The COMMBOX-600 is a “Plug and Play” controlled power distribution panel for frost protection, ice and snow melting projects. When receiving a signal from the sensor(s)m the contactors are activated, energizing your heating system. DIP switch settings determine how the zones activate. When programming your system, make sure DIP switch 1 is in the ON position. The program manual can be navigated by using the SELECT (+) to move forward or SELECT (-) to go back through settings.
The thermostats come with a 9’ sensor cable to detect the temperature under the floor finish. The end of the probe wire contains a capped sensor that should be evenly centered between two heating cables at least 12” into the heated area. At no time should the probe wire cross the heating cable.
The ground wire of the heater(s) must be directly connected to the ground wire of the supply.
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