Haulotte HT43 RTJ PRO (HT132 RTJ PRO)
Haulotte error code F04.37 — Differential Locking
Message on the display: Differential Locking
Code F04.37 occurs in machines: Haulotte HT43RTJ PRO, HT132RTJ PRO.
warning / function limited
Differential locking valve failure
Description from the Haulotte service manual, in the original wording.
Effect on the machine: --> YV100=FAIL
Possible causes
- Check connection to +12V
- Check connection to U100 ECU digital output
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 HT43 RTJ PRO (4001034910), 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 F04.37 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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