How to troubleshoot a Suntouch thermostat control panel?
Check the circuit breaker and try resetting the breaker. Measure the “Line side” voltage coming from the breaker panel at the control and test from “L1” to “L2.” Check all connections between the breaker and the control. Test the voltage at each connection starting at the breaker panel and proceeding toward the control.
What happens to the NC connection in a relay?
The COM (Common) connection of a relay is the part of the relay that moves. When a relay is off, the COMMON is connected to the NC (Normally Closed). The NO (Normally Open) connection of the relay is not connected until the relay turns on.
Why is my Suntouch not sending power to the floor?
If control indicates a GFI trip, it will not send power to the floor. Reset the GFI by turning it off, then turn it back on. If it trips the GFI again… The control may be mis-wired. Check the wiring diagram on back of control. The UnderFloor panel may be damaged.
What should I do if my Suntouch panel is outside the range?
If your panel’s reading is outside the range on the nameplate label, call the manufacturer. Test the ohmmeter itself. Verify your meter is still working and properly calibrated by putting the two leads directly together to test the meter’s “zero reading”, often reading about 0.1 to 0.4 ohms.
Check the circuit breaker and try resetting the breaker. Measure the “Line side” voltage coming from the breaker panel at the control and test from “L1” to “L2.” Check all connections between the breaker and the control. Test the voltage at each connection starting at the breaker panel and proceeding toward the control.
If control indicates a GFI trip, it will not send power to the floor. Reset the GFI by turning it off, then turn it back on. If it trips the GFI again… The control may be mis-wired. Check the wiring diagram on back of control. The UnderFloor panel may be damaged.
If your panel’s reading is outside the range on the nameplate label, call the manufacturer. Test the ohmmeter itself. Verify your meter is still working and properly calibrated by putting the two leads directly together to test the meter’s “zero reading”, often reading about 0.1 to 0.4 ohms.
How can I tell if my Suntouch meter is still working?
Verify your meter is still working and properly calibrated by setting it on the 200 Ω scale or the lowest scale on your meter and hold the test probe tips directly together to test the meter’s “zero reading”, often reading about 0.1 to 0.4 ohms. A reading of “OL” (open line, or over limit) is not the same as a reading of 0.1 ohms.
