Craftsman Opener Error Code 4-5: Meaning and Fix

4-5
How 4-5 appears on a Craftsman opener display.
Craftsman opener code 4-5: RPM sensor (Craftsman openers are built by Chamberlain Group; a generic Chamberlain Group part or opener image is shown)
Chamberlain Group product image, chamberlain.com

Also shown as: 45, Up 4 Down 5

Reading the opener display

A garage door opener reports faults through blinking LEDs on the motor head, a diagnostic window on the logic board, or the wall control. Count the flashes slowly and repeat the count before you decide what you saw. Craftsman openers follow the Chamberlain flash chart.

Craftsman garage door openers are made by the Chamberlain Group under license, so they share the LiftMaster and Chamberlain diagnostic codes. Look for a model number starting with 139. on the label. Check the model label on your unit before using any chart.

What causes 4-5

How to fix it

  1. Check the travel module connector.
  2. Test door travel by hand.
  3. Reset limits.
  4. Swap the module if bad.
  5. Retest.

Parts you may need

PartPart no.Buy
Travel module kit041D8071-4Find part
AC travel module kit041D7742-7Find part

Part numbers are OEM references; confirm fit by your model number before ordering. Some links are affiliate links; we may earn a commission at no extra cost to you.

Questions

What is 4-5?

A travel module or movement fault.

Can I clear it?

Reseat the cable and retry.

Do I replace the board?

Check the module first.

Other Craftsman opener codes

Sources

Part numbers are OEM references; confirm fit by your model number before ordering. Meanings compiled from manufacturer and parts-retailer documentation; see sources below. Unplug the appliance before opening it.