Haulotte Optimum 8 (Optimum 1931 E): electric scissor lift, newer generation
Haulotte error code F12.11 — Parameters reload Restart machine
Message on the display: Parameters reload Restart machine
Code F12.11 occurs in machines: Haulotte OPTIMUM 8, OPTIMUM 1931 E.
warning / function limited
This failure happens at first power-on when reloaded on machine with software version 2.11 or on machine never loaded before. If happening out of these cases, power off and power on again after 5 s. [case 1] Wrong parameter : out of expected range. [case 2] Wrong parameter : EEPROM problem or RAM problem. [case 4] Wrong parameter : parameter current value is different from parameter initialized value. [case 8] Wrong parameter : incoherence between master and slave parameter source.
Description from the Haulotte service manual, in the original wording.
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.
What service does
A qualified service technician reads the code with the manufacturer's diagnostic tools, finds the cause, clears the code and carries out a function test.
Source: Haulotte Maintenance Book Optimum 8 (4001069810), fault codes chapter.
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 F12.11 not go away?
RK Rental services Haulotte 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.
Haulotte service · Haulotte parts · All Haulotte codes of this system