Manual for PLS750C/PLS751C

Manual for PLS750C/PLS751C

Brand: Honeywell

Category: Thermostat

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 9:15 p.m.

Warranty Information

Honeywell warrants this product to be free from defects for three (3) years from the date of purchase.

The Honeywell PLS750C/PLS751C is a 7-day solar programmable wall switch designed to control lights and motors. It offers multiple modes of operation, including Manual, Automatic, and Random. Users can set programs for automatic on/off times, override them temporarily, and configure settings like backlight, daylight saving time, latitude/longitude, and correction factors. The device features a keypad lock for security and a reset function to restore default settings. It also includes troubleshooting tips and specifications for installation and operation.

Troubleshooting and error codes

Problem Solution
The display is faded or irregular. The ambient temperature is either below or above switch's operating temperature.
The display disappears when you toggle the other switch. Swap the LINE and 3-WAY wires.
The sunset or sunrise time is inaccurate. The date or time is wrong (see section 5.2).
The longitude or latitude is wrong (see section 5.3.3).
The correction factor is wrong (see section 5.3.4).
You have entered an offset (see section 5.4.3).
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