To remove the cover or faceplate of a Honeywell thermostat, first ensure the system power is switched off at the circuit breaker to prevent accidental electrical shorts. Grasp the outer edges of the faceplate firmly with both hands and pull it straight away from the wall mounting plate. Avoid pulling at an angle to prevent bending the internal connector pins. Verification: Ensure the faceplate detaches cleanly, exposing the sub-plate and low-voltage wiring terminals.
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