Saswell T19WHB-7-RF - Thermostat Operation and Status Checks

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CHECK THERMOSTAT OPERATION
1. The description of thermostat working condition：
Standby：when power input, all the lights no display
Power status：Shortly press the power button ,indicator A(red ) turn
on as long as there is power to the unit.
Shutdown status ：On state, indicator A(red ) is long bright.
Shortly press the power button, indicator A(red )turn off indicates it
is in shutdown status mode, thermostat shut down all output.
Working state: Indicator B(green) turns on as long as the heating
device is energized.