Haulotte HA26 RTJ O, HA26 RTJ PRO (HA80 RTJ)
Haulotte error code F12.01 — CAN Fault
Message on the display: CAN Fault
Code F12.01 occurs in machines: Haulotte HA26 RTJ O, HA26 RTJ O SW, HA26 RTJ PRO, HA26 RTJ PRO SW.
blocking fault
[case 1] CAN network failure detected with platform ECU (U104) 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 membrane switch ECU (U107) 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 4] CAN network failure detected with Activ’Screen ECU (U101) 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)
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.
Solution from the manual
Check ECU supplies line Check address connections for each B2 ECU (CN106.18/CN106.19/CN106.20) Check ECU supplies line Check address connections for each B2 ECU (CN106.18/CN106.19/CN106.20) Check ECU supplies line Check address connections for each B2 ECU (CN106.18/CN106.19/CN106.20)
Source: Haulotte Maintenance Book HA26 RTJ (4001055180), 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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