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Hangcha Forklifts · 2,1
Low voltage

What this code means

Low voltage - battery voltage is too low (lift controller LED code 2,1).

Applies to: CPD J-series electric - lift (oil pump) controller, LED codes.

Possible causes / checks (from the source)

Battery voltage too low; charge or check the battery.

Need the part?

If diagnosis points to a failed sensor, solenoid, controller or harness part, send us the code (2,1), machine model and serial number — we quote genuine and OEM replacement parts for export.

Source: Hangcha CPD J-series service manual fault table of lift (oil pump) controller, as reproduced by ForkliftPDFManuals.com and Truck-FreeWorkshop.com (two libraries agree). Cross-checked in two independent sources. Compiled 2026-10-30. No manufacturer affiliation.