Zoomlion ZS series scissor lifts (ZS0407, ZS0607, ZS0608, ZS0808, ZS0812, ZS1012, ZS1212, ZS1414)
Zoomlion error code H7 — Left Motor Fault
Message on the display: Left Motor Fault
Code H7 occurs in machines: Zoomlion ZS0508C, ZS0610C, ZS0612C, ZS1216C.
blocking fault
The Zoomlion display shows code H7 with the message “Left Motor Fault”. It is a blocking fault or a safety-related code: do not use the machine until the cause has been found and removed.
Effect on the machine: Disable All Motion
Possible causes
The manual does not list the causes for this code: the service technician establishes them during diagnosis of the machine.
What you can do
Switch the machine off with the emergency stop and switch it on again. If the code comes back, do not use the machine and call service.
Solution from the manual
Left Motor Fault: Cycle power. If that does not resolve the issue check for noise sources. If still needed, try replacing the Motor Controller.
Source: Zoomlion Service and Maintenance Manual for scissor lifts, Polish edition (version C, March 2023), tables 3-1 and 3-2.
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 H7 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