Panasonic CU-C12DKU - Manual (Page 57)

13.1. Refrigeration cycle system
In order to diagnose malfunctions, make sure that there is no
electrical problem before inspecting the refrigeration cycle.
Such problems include insufficient insulation, problem with the
power source, malfunction of compressor or fan motor.
The normal outlet air temperature and pressure of the
refrigeration cycle depend on various conditions, the standard
values for them are shown in the table to the right.
13 Troubleshooting Guide
57
CS-C9DKU CU-C9DKU / CS-C12DKU CU-C12DKU