Hanyoung Nux Nx7_00 Temperature Controller (Button Not Working)

Hanyoung Nux Nx7_00 Temperature Controller (Button Not Working)
Hanyoung Nux
Nx7
Model: Nx7_00
Range: Multi
Power: 100-240 V~ 50-60 Hz 6w
Contact Rate: Out1
3a 240 V A.c. (Resistive Load)
Al1,2: 1 A 240 V A.c.
Current Out 1,2: 4-20 Ma D.c
(Resistive Load 600 Ω Max.)
Solid Out 1,2: 12 V D.c
(Resistive Load 600ω Min.)
“max. Ambient Temp: 50°c”
Made In Korea
Weight : 260 Gm
Ref No : 70156