Haulotte HA20 LE and HA20 LE PRO (HA61 LE): electric boom lift
Haulotte error code F07.34 — Front Axle Unclocking
Message on the display: Front Axle Unclocking
Code F07.34 occurs in machines: Haulotte HA20LE, HA61LE, HA20LE PRO, HA61LE PRO.
blocking fault
[case 1] Difference between supply voltage and SP109 sensor voltage is below 200 mV : Open circuit detected : 1. 2. 3. [case 2] Difference between supply voltage and SP109 sensor voltage is above 6000 mV : Short-circuit detected : 1. 2. 3.
Description from the Haulotte service manual, in the original wording.
Possible causes
- Check connectors (sensor and ECU side)
- Check harness state
- Check / replace sensor
- Check / Plug connectors (sensor and ECU side)
- Check / Plug harness
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
Check connectors (sensor and ECU side) Check harness state Check / replace sensor Check / Plug connectors (sensor and ECU side) Check / Plug harness Check / replace sensor
Source: Haulotte Maintenance Book HA20 LE (4001028020), 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 F07.34 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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