What does the 'Wait' message on the screen mean?
The 'Wait' message means the compressor protection feature is engaged. You must wait approximately 5 minutes for the system to restart safely without damage to the compressor. This is a normal protective function and does not indicate a malfunction. (Page 65)
From the official Honeywell RET97B5D100 Home Programmable Thermostat manual, page 65
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