Is it safe to quickly cycle the compressor on and off during a system test?
No — the manual includes a caution warning that compressor protection is bypassed during testing, so quickly cycling the compressor can cause equipment damage. You should avoid cycling the compressor quickly while performing the system test. (Page 13)
From the official Honeywell T6 Pro TH6210U2001 Smart Thermostat manual, page 13
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