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Hangcha Forklifts · 4,3
Temperature protection (over/under-temperature)

What this code means

Temperature protection - controller over-temperature or under-temperature (lift controller LED code 4,3).

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

Possible causes / checks (from the source)

Controller temperature too high or too low; temperature sensor works abnormally.

Need the part?

If diagnosis points to a failed sensor, solenoid, controller or harness part, send us the code (4,3), 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.