E627 – Parking Brake Applied While Machine in Motion

Give Your Machine a Brake.

Parking Brake Applied While Machine in Motion – Fault Code 627

An immediate safe shutdown is required.
Caused by driving the machine with the parking brake ON.
E627 will occur if the machine is in motion and the parking brake switch is toggled to the ON position.
Disengage the parking brake before shifting out of neutral.

Parking brake abuse is due to operator error or Drive-Neutral-Drive park brake drive-through.

Parking brake abuse is due to Drive-Neutral-Drive park brake drive-through or engaging the parking brake while in motion. This can cause damage to transmission components, system failure, or premature brake wear. Come to a complete stop before engaging the parking brake.

Don’t Rush Safety

Regarding machine safety, the brake system is at the top of the list.

Brake Safety is not an afterthought at Caterpillar but an integral part of all machine and system designs. The parts in the braking system work as hard as those in any other system of your machine.

Cat braking system parts ensure the safety, control, and speed of your Cat machinery under various operating conditions. All of these components need to be in good shape and working properly for your machine to have 100% brake system effectiveness.

Damaged or improperly working brakes will not do the job they are designed to do and will not be as effective when needed, especially in a panic-stop situation. This can create a safety concern for the operator and the machine.

Brake abuse generates heat and can damage brake and transmission system components. Heat build-up and damaged equipment make the braking system less effective.

Reducing Unnecessary Wear and Tear Will Keep Your Maintenance and Operating Costs Down.

While being able to slow down or stop your machine efficiently in the event of an emergency will help to avoid accidents and keep your equipment in good shape. Prevent premature wear and component damage by always using your brake system as designed. Never use your parking brake while in motion, and refer to your Cat Owner’s manual for further information specific to your machine.

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