Working Lights not coming on on 306t

[Tania]

Hello,
Please check if the ITC-306T is set correctly? Has the current temperature reached the heating on value (TS-DS)?
Please refer to:

Q: How to set ITC-306T?

A: Here are some tips for ITC-306T temperature controller settings: ‘PV’ is current temperature ‘SV’ is setting temperature ‘TS’ is your target value ‘DS’ is the differential value ‘CA’ is the calibrated value ‘CF’ is the unit of temperature (°C or °F) ‘TR’ is time setting ( 0:off / 1:on ) There will be 2 situations when you use this thermostat. If you only need to control a same temperature range the whole day. For example, you need to keep the temperature within 22°C~25°C, then set th…