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.