Haulotte HA20 LE and HA20 LE PRO (HA61 LE): electric boom lift
Haulotte error code F07.03 — Boom Angle
Message on the display: Boom Angle
Code F07.03 occurs in machines: Haulotte HA20LE, HA61LE, HA20LE PRO, HA61LE PRO.
blocking fault
Failure of voltage of SQ520 sensor, above [6.0V] : possibly short circuit to UBAT, or 5V_REF output supply voltage is failing
Description from the Haulotte service manual, in the original wording.
Possible causes
- Check SQ520 voltage value
- Check short circuit between signal and 12V or 5VREF and 12V
- Check sensor's power supply is 5VREF
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 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 F07.03 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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