Diagnostics
JCB Excavator Fault Codes: Meanings, Causes & Fixes
In-depth, plain-English guides to JCB Excavator fault codes and error codes. Each guide covers what the code means, what triggers it, the most common causes, and the first things to check before you call the dealer.
- 500Boom Up Operation Is Slow Or Low Powered
- 501Arm Service Operation Is Slow Or Low Powered
- 502Bucket Operation Is Slow Or Low Powered
- 503Swing Operation Is Slow Or Low Powered
- 505Swing Operation Is Harsh When Selected
- 525Boom Up Operation Is Slow Or Low Powered
- 526Arm Operation Is Slow Or Low Powered
- 527Bucket Operation Is Slow Or Low Powered
- 528Swing Service Operation Is Slow Or Low Powered
- 530Swing Operation Is Harsh When Selected
- 550Boom Up Operation Is Slow Or Powered
- 551Arm Service Operation Is Slow Or Low Powered
- 552Bucket Service Operation Is Slow Or Low Powered
- 553Swing Service Operation Is Slow Or Low Powered
- 555Swing Operation Is Harsh When Selected
- 600Boom Up Operation Is Slow Or Low powered
- 601Arm Service Operation Is Slow Or Low Powered
- 602Bucket Service Operation Is Slow Or Low Powered
- 603Swing Service Operation Is Slow Or Low Powered
- 605Swing Operation Is Harsh When Selected
- 606Machine Performance Is Unsatisfactory
- 650Machine Tracks Off Line During Straight Travel
- 651Machine Tracks Off Line During Straight Travel
- 652Machine Tracks Off Line During Straight Travel
- 653Poor Tractive Effort
- 654Poor Tractive Effort
- 655Poor Tractive Effort
- 656Loss Of High Speed Tracking
- 657Loss Of High Speed Tracking
- 658Loss Of High Speed Tracking
- 662Machine Selects High Gear Even Though Monitor Displays Another Travel Gear
- 700Poor Top Road Speed
- 701Loss Of High Speed Travel
- 702Loss Of Creep Speed Travel
- 703Poor Tractive Effort
- 704Loss Of Drive
- 800Excessive Engine Stalling When Operating Hydraulic Service All Models
- 900Electrical Problem And '0000' Is Displayed On Monitor
Safety-critical: confirm before use
Torque, lifting, and load-chart values are safety-critical. Never operate from these figures alone. Confirm against the official manual and a qualified technician.