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18. Troubleshooting Guide
18.1 Refrigeration Cycle System
In order to diagnose malfunctions, make sure that there
are no electrical problems before inspecting the
refrigeration cycle.
Such problems include insufficient insulation, problem
with the power source, malfunction of a compressor and a
fan.
The normal pressure of the refrigeration cycle depends
on various conditions, the standard values for them are
shown in the table on the right.
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