Why can't I set the heating temperature higher on my Lightstat TME Thermostat?
If the cooling temperature can be set higher but not the heating temperature on your Lightstat TME, it indicates that the Lightstat TME is at its heating maximum. The Lightstat TME has owner-specified limits to prevent overheating, and you cannot set the heating temperature above this limit.
Why can't I set the cooling temperature lower on my Lightstat Thermostat?
If the heating temperature can be set lower, but not the cooling temperature on your Lightstat TME, it means that the Lightstat TME is at its cooling minimum. The Lightstat TME has owner-specified limits to prevent overcooling, and you cannot set the cooling temperature below this limit.
Why is the visual alarm not working on my Lightstat TME?
If the visual alarm isn't working on your Lightstat thermostat, verify the jumper is in the correct position. For AC/DC versions only, measure the signal to verify the polarity of wiring is correct at the thermostat. Also, verify the correct signal is at the terminal blocks on the thermostat.
Details on wiring the R, C, O/B, Y1, Y2, W1, W2, and G terminals to HVAC equipment.
Guide for setting Switch #1 for heat pump warm-up or conventional system operation.
How to set Switch #2 to manage compressor time delays, minimum run, and off times.
Instructions for setting Switch #3 to control the O/B output for heating or cooling calls.
Guide to setting heating and cooling setpoints, including maximum heat and minimum cool limits.
A table detailing common symptoms, their causes, and recommended solutions for thermostat operation.
Troubleshooting specific display messages like "00" or "99" for sensors and power issues.
General| Brand | Lightstat |
|---|---|
| Model | TME series |
| Category | Thermostat |
| Language | English |
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