Zoomlion ZS1530E and ZS1930E scissor lifts
Zoomlion error code 77 — Right Drive Motor Controller Fault
Message on the display: Right Drive Motor Controller Fault
Code 77 occurs in machines: Zoomlion ZS1530E, ZS1930E.
blocking fault
The Zoomlion display shows code 77 with the message “Right Drive Motor Controller 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 Lifting and Driving
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
Right Drive Motor Controller Fault: Check connections to the right motors, drive motor controller and contactor. In case the problem is not solved, contact a Zoomlion technician.
Source: Zoomlion Service and Maintenance Manual (global.zoomlion-access.com), ZS1530E / ZS1930E, fault code table.
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 77 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