Haulotte HT23 RTJ O, HT23 RTJ PRO (HT67 RTJ)
Haulotte error code F08.04 — Calc. Input Supply
Message on the display: Calc. Input Supply
Code F08.04 occurs in machines: Haulotte HT23RTJ O, HT23RTJ O SW, HT67RTJ O, HT23RTJ PRO, HT23RTJ PRO SW, HT67RTJ PRO.
blocking fault
Detected ECU voltage difference --> Difference between U106 (SPU) and U104 (basket B2)
Description from the Haulotte service manual, in the original wording.
Possible causes
- Check U100, U104 and U106 supply voltage
- Check fuses
- Check supply voltage coherence between all ECU (more than 2000 V far during the first 4 seconds after start)
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 HT23 RTJ (4001055250), 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 F08.04 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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