Haulotte HA26 RTJ O, HA26 RTJ PRO (HA80 RTJ)
Haulotte error code F12.08 — ECU fault (master)
Message on the display: ECU fault (master)
Code F12.08 occurs in machines: Haulotte HA26 RTJ O, HA26 RTJ O SW, HA26 RTJ PRO, HA26 RTJ PRO SW.
blocking fault
[case 1] ECU over temperature (> 110°C for more than 30s) [case 2] Over current detected during more than 5s [case 4] Internal voltage out of range [case 8] Issue with analogue to digital converter (voltage out of range or blocked converter) [case 16] Ground lost detected [case 32] One of SPI daisy chains failed [case 64] Over power detected [case 128] ECU yellow zone: the overall current or temperature is outside specification limits [case 256] ECU red zone: the ECU is forced to safe mode after hardware out of specification usage or failure detection, all outputs are inhibited
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 HA26 RTJ (4001055180), 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 F12.08 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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