Cat ET4000AC error code APP-A - Technical Troubleshooting discussion in Forkliftaction's forums

Cat Lift Trucks (& Caterpillar) ET4000:
Cat ET4000AC error code APP-A

Hi, i need help on this one. After replacing the left drive card and the main power card, the lift won't move, but the code APP-A appeared on the display. The last A is flashing. Anyone's knows what I have to do to make the lift work?

Thank

Posted 14 Aug 2019 20:53
Discussion started by FrankM59
Quebec, Canada

Frank M
Technicien

Post a Reply Report this post

Post your Reply

Forkliftaction.com accepts no responsibility for forum content and requires forum participants to adhere to the rules. Click here for more information.

Having trouble using the Discussion Forums? Contact us for help.

Australian Forklift Championship

July 22-24, 2025 - Sydney, Australia

The Health and Safety Event Asia

November 11-13, 2025 - Singapore, Singapore

Retail Supply Chain & Logistics Expo London

November 12-13, 2025 - London, United Kingdom

More Events

Pete Stanislawczyk

Chief executive officer, East Penn Manufacturing

Christy Weeber

President, East Penn Manufacturing

Manojit Acharya

APAC vice president, Jungheinrich

David Campbell

Senior VP direct sales and marketing, Daifuku Intralogistics America