Haulotte HA26 RTJ O, HA26 RTJ PRO (HA80 RTJ)
Haulotte error code F04.01 — Steering YV901/YV150L/
Message on the display: Steering YV901/YV150L/
Code F04.01 occurs in machines: Haulotte HA26 RTJ O, HA26 RTJ O SW, HA26 RTJ PRO, HA26 RTJ PRO SW.
blocking fault
For each failure, check the internal code. For failures about digital electro valves controlled by the U104 ECU (platform slave ECU) : The detected failures are "open circuit" or "short circuit", check the harness between the ECU and the hydraulic block controlling the movement, check the valves. For failures about proportional or digital electro valves controlled by U106 ECU (turret master ECU) : The detected failures are open circuit ( OC), short-circuit to VBAT (SC+) , short-circuit to GROUND ( SC-), low current ( LC) and power supply error ( PSE) First check the type of failure by reading the status of the output in the menu "INPUTS-OUTPUTS => DIGITAL OUTPUTS / ANALOGUE OUTPUTS". If OC/SC+/SC-/LC : If PSE : Failures are acknowledged if : Movement set point corresponding to the failing electro valve is neutral. AND movement control corresponding to the failing electro valve is neutral. AND electrovalve failure state corresponds to the "no failure" flag (generally state =OK, or for safety electrovalve state =OC) [case 1] Proportional output's failure : Steering movement [case 2] Digital output's failure : Left steering movement [case 4] Digital output's failure : Right steering movement
Description from the Haulotte service manual, in the original wording.
Effect on the machine: --> YV902=FAIL --> YV150L=FAIL --> YV150R=FAIL
Possible causes
- check harness, check there is no misconnection between signal and ground supply or power supply.
- Check the supplies are well connected : 12VD1 (1B.18), 12VD2 (2A.08), 12VD3 (2B.02), 12VD4 (3A.01), 12VF1 (1B.32), 12VF2 (2A.07), 12VF4 (3A.07).
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 F04.01 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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