Demo Mode; Error Codes - Haier HDW3620DNPK Manual

HCS
When a certain moisture level is reached, the HCS filter fibers open causing moisture to
decrease and then close again.

Demo mode

To enter the demo mode, with the display unlocked, keep pressed the SET key and press
the WiFi key 5 times within 5 seconds. To exit the demo mode, perform the same
operation or power off the refrigerator.

Error Codes

Communication error

[-16°C;-18°C;-20°C;-22°C;-24°C] lights in the freezer turn on sequentially, it means there
has been a communication error between the main control board and the display board.
Please, contact the technical assistance to help solve the problem
Fan

[-16°C;-20°C;-22°C;-24°C] lights in the freezer flashing simultaneously if the fan is not
working properly. Please, contact the technical assistance to help solve the problem
EN 6