Malfunction

Check

Treatment

compressor don’t work

If various set data right of controller

Reset various temperature setting data

State of work indicator light bright

Is delay time state or defrost working

If nixie tube display temperature value right

Sensor malfunction reconnect or replace

Compressor control output connect wiring

Reconnect or replace controller

Don’t defrost

does defrost various set data zero

 reset

not reach defrost time

Waiting working time reach

 If defrost ending temperature set data and put sensor position right

Reset defrost ending temperature and put sensor the right position

Defrost control output connect wiring

Reconnect or replace controller

Can’t set

Press set key not over 3second

Set data after press set key 3second