Discussion:
code 51+52

have 2 different erc050ghn48tq084 sn a908n08808f
first one has error code 51. no lift/drive plugged in good battery and found line contactor pops in/out every few seconds like the battery is dead. also tried swapping dash display with no changes

second truck has error code 52 and has all hydraulic functions but no drive. can anyone tell me the code meaning and have and advice on how to proceed. thanks in advance
  • Posted 18 Jun 2015 06:54
  • By smothers33
  • joined 18 Jun'15 - 11 messages
  • Illinois, United States
Showing items 1 - 1 of 1 results.
Check the PTC that connects across the large terminals on the line contactor. If it is missing or not connected the capacitor in the controller will not stay charged. This will cause a code 51. Also make sure nothing is connected to the supply side of the line contactor like a scanner or radio. This will also cause a code 51. Code 52 is a motor encoder error either the drive motor or the pump motor.
  • Posted 19 Jun 2015 07:55
  • By BREWSKI
  • joined 10 Jan'12 - 1,699 messages
  • Nebraska, United States

Post your Reply

Forkliftaction accepts no responsibility for forum content and requires forum participants to adhere to our rules of conduct. Click here for more information.

If you are having trouble using the Discussion Forums, please contact us for help.

Komatsu FD25T17
Braeside, Melbourne, Victoria, Australia
Hire
UN Forklift FBRS15KQZ2
HANGZHOU, Zhejiang, China
New - Sale
Upcoming industry events …
October 15-16, 2025 - Las Vegas, United States
November 12-13, 2025 - London, United Kingdom
November 13-14, 2025 - Berlin, Germany
Global Industry News
edition #1242 - 7 August 2025
In this week’s Forkliftaction News , we take a closer look at the main theme coming out of the recent CeMAT Australia event in Sydney: automation; why some are holding back and why not everyone will automate... Continue reading
Movers & Shakers
David Wells David Wells
Chief executive, Logistics UK
National business development manager, Roadpod
Senior vice president, PEAC Solutions
Board director, UKMHA
Upcoming industry events …
October 15-16, 2025 - Las Vegas, United States
November 12-13, 2025 - London, United Kingdom
November 13-14, 2025 - Berlin, Germany
Upcoming in the editorial calendar
WIRELESS CHARGING
Aug 2025
MANAGING MIXED FLEETS
Oct 2025
Upcoming industry events …
October 15-16, 2025 - Las Vegas, United States
November 12-13, 2025 - London, United Kingdom
November 13-14, 2025 - Berlin, Germany
Global Industry News
edition #1242 - 7 August 2025
In this week’s Forkliftaction News , we take a closer look at the main theme coming out of the recent CeMAT Australia event in Sydney: automation; why some are holding back and why not everyone will automate... Continue reading
Fact of the week
In 1923, French tennis player René Lacoste was promised a crocodile leather suitcase by his captain if he won his next match. He lost the match but won the nickname "the crocodile" which he had sown onto his tennis attire. Ten years later he launched the first polo shirt and Lacoste, the first brand to feature a logo on its clothing.