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Hangcha Forklifts · 4,3
THERMAL CUTBACK - over/under-temperature cutback

What this code means

THERMAL CUTBACK - controller over-temperature or under-temperature cutback.

Applies to: CPD10/15/20/25/30/35J C1, CPD10/15/18/20/25/30/35J C2, CPD40/45/50J C2 electric - traction (tow) controller, LED code / programmer LCD.

Possible causes / checks (from the source)

Temperature above 85 C or below -25 C; excessive load on vehicle; improper mounting of controller; operation in extreme environments.

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 traction (tow) 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.