Upon arrival opened up the machine and discovered that the defrost timer had stalled and the dial would not turn. Remove the defrost timer installed new part and tested. Machine seems to be working properly now.

Phone arrival opened up the machine and leveled it. Set the springs correctly. Machine seems to be working proper

On arrival, went ahead and installed the icemaker and tested. Machine seems to be working properly now.

Weak cool in Ff and FZR, found unit cooling and defrosting at the same time, replaced defrost timer. ; used 1 5304526183 (Defrost timer) from stock

customer states not cooling, has power cycled unit and would return to normal operation but then would warm up again. On arrival both FF and FZR not satisfied at temp, fzr high temp alarm present. All temp sensors check within spec, door sensors check ok, fans and defrost heater check ok, Called liebherr and recommended check sealed system, low side operating pressure -16inhg vac equalized at 9psi Called Liebherr again and tech line stated charge appears low, instructed me to pressure check system with N2 at 85psi. Pressurized to 85psi and put soap bubbles on all joints in machine compartment and 2 joints in FzR after 15min pressure dropped 2 psi and no bubbles from jointsCalled tech line again and reported findings, tech line states unit will need to be replaced bc unit has an internal leak