Haulotte Optimum 8 (Optimum 1931 E): electric scissor lift, newer generation
Haulotte error code F12.16 — Internal error of diagnostic system (request) Check diagnostic system
Message on the display: Internal error of diagnostic system (request) Check diagnostic system
Code F12.16 occurs in machines: Haulotte OPTIMUM 8, OPTIMUM 1931 E.
warning / function limited
Internal error of diagnostic system (request) Check diagnostic system configuration Invalid identification ( ID ) used during a request of diagnostic system (screen or diag console). The value indicates the wrong request. [case 4] Maintenance log 6|7 Events log [case 193] Failure [case 196] Machine parameter (speed or ramp) [case 197] Machine calibration [case 198] Option [case 199] Country [case 200] Machine configuration [case 201] Machine Model [case 205] Security settings [case 206] Machine state [case 207] Inputs/Outputs [case 209] Internal function [case 210] Internal cut-out [case 211] Machine maintenance [case 212] Event counters [case 213] Internal version
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 F12.16 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.
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