Haulotte HA20 RTJ, HA20 RTJ O, HA20 RTJ PRO (HA61 RTJ)
Haulotte error code F12.01 — CAN Fault Check wires
Message on the display: CAN Fault Check wires
Code F12.01 occurs in machines: Haulotte HA20RTJ, HA20RTJ O, HA20RTJ PRO, HA61RTJ O, HA61RTJ PRO.
blocking fault
[case 1] CAN network failure detected with turret B2 ECU (U100). Machine switched OFF, with multimeter, check the resistance between 1001 (CAN high) and 1002 (CAN low) is nearly 60 ohms (if 0 ohm or 120 ohm : failure, check RES TERM connection for all ECUs). [case 2] CAN network failure detected with keyboard switches ECU (U107) [case 4] CAN network failure detected with onboard screen ECU (U101)
Description from the Haulotte service manual, in the original wording.
Possible causes
- Check ECU supplies line.
- Check address connections for each B2 ECU (CN106.18/CN106.19/CN106.20).
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 RTJ (4001055090), 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 F12.01 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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