Zoomlion ZT diesel telescopic boom lifts (ZT20J, ZT26J, ZT30J, ZT34J, ZT58J, ZT68J, ZT72J-V)
Zoomlion error code 22556 — Drive reverse valve open circuit
Message on the display: DTC_DRIVE_REVERSE_VALVE_OPEN_CIRCUIT
Code 22556 occurs in machines: Zoomlion ZT20J, ZT26J, ZT30J, ZT34J, ZT58J.
blocking fault
The Zoomlion display shows code 22556 with the message “DTC_DRIVE_REVERSE_VALVE_OPEN_CIRCUIT”. It is a blocking fault or a safety-related code: do not use the machine until the cause has been found and removed.
For this code the manufacturer gives only the name of the fault, with no list of causes and no repair procedure. The service technician establishes the cause during diagnosis of the machine. You will find all codes of this machine family on the page Zoomlion ZT diesel telescopic boom lifts (ZT20J, ZT26J, ZT30J, ZT34J, ZT58J, ZT68J, ZT72J-V).
Source: Zoomlion Service and Maintenance Manual (global.zoomlion-access.com), ZT20J–ZT72J-V, DTC code list.
The descriptions are quoted from the manufacturer's service documentation and are for guidance only. Clearing codes, calibrations and repairs are carried out by a qualified service technician according to the manual for the specific serial number. A machine with an active blocking code must not be used until the cause has been removed.
Does code 22556 not go away?
RK Rental services Zoomlion lifts at our workshop or on site at the customer's premises (construction site, factory, warehouse). We read the code, remove the cause and select the parts by serial number.
Zoomlion service · Spare parts · All Zoomlion codes of this system