| 摘要 |
A temperature-controlled appliance control system in which a compressor runtime is stored in a memory. If the runtime reaches a critical point an error message is displayed. The service technician can display this information by the monitor on the appliance, downloading it to a computer, relaying by modem, or any other conceivable way. The information displayed will go back in different intervals (runtime for day, week, and numbers of cycles). The memory eliminates the effect of defrost from the given compressor runtime.
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