A: Enter the Level 2 menu, find parameter F-RST. Set it to 1, then press SET. The display will flash 555, then reboot. Your manual calls this “System Initialize.”

Many users complain their YKR-F 006 manual does not explain the “hidden” factory menu. In most revisions, there are three parameter levels:

To access Level 2:

Once inside, you can configure advanced parameters such as:

Warning: Changing factory parameters without understanding them can render the controller unusable until a factory reset is performed.

Look for:

In the world of industrial automation, process control, or specialized electronic instrumentation, few devices have garnered as much quiet respect as the YKR-F 006. Whether you are a maintenance technician in a manufacturing plant, an engineering student working on a capstone project, or a hobbyist integrating this unit into a custom build, one document becomes your bible: the YKR-F 006 manual.

But locating an original, legible, and comprehensive manual can be surprisingly difficult. Many units are sold second-hand without documentation, or the included quick-start guide omits critical advanced features.

This article serves as the definitive online resource for the YKR-F 006. We will cover what the device is, how to interpret the official manual’s structure, step-by-step setup instructions, advanced programming, common error codes, and where to download a legitimate PDF copy of the YKR-F 006 manual.

Open your YKR-F 006 manual to the terminal diagram. For most models:

Warning from the manual: Never run sensor wires in the same conduit as power wires. Inductive noise will cause erratic readings.

If you know the specific 3 or 4-digit code for your appliance brand (often found on a sticker inside the battery cover or on the manufacturer's website), use this method.

Assuming YKR-F-006 is a programmable relay controller / RF remote receiver (common for YKR-xxx models), a full manual would cover:

  • Safety warnings
    Overload protection, isolation distance, not for life-support systems.


  • Given the age and distribution of the YKR-F 006, the official manufacturer’s website may be offline or difficult to locate (many units are rebranded). However, you can still find authentic copies through these sources:

    Beware of scam sites asking for credit card information for a “instant download” of the YKR-F 006 manual. Most legitimate manuals are free or cost a nominal $1–$5 on reputable document stores.