Saswell T19WHB-7-RF, Operating Instruction

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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.