MAN.243 Rev.5 ENG - Use and maintenance manual S28 page 111 of 138
9 Troubleshooting
Any operation requiring interventions on the
components of the machine shall be carried
out by authorized and trained staff.
Non-authorized staff can’t replace
components. Many components of the MEWP
have been calibrated: a correct calibration of
these parts (which is possible only in C.M.C. or in
authorized repair shops) is necessary to ensure
the safety of the machine.
Drawback: STABILIZATION CONSENT LIGHT DOES
NOT TURN ON.
Cause: 1. The MEWP aerial part is not in
transport position.
2. The green light does not work.
3. One of the outriggers micro-switches is
not working.
Remedies: 1. Place the MEWP aerial part in the
transport position.
2. Replace the light fuse.
3. Replace the MEWP supply DPDT
relay.
4. Replace micro-switches.
If the problem persists, contact the Service.
_________________________________________
Drawback: OUTRIGGERS DO NOT WORK.
Cause: 1. The hydraulic pump group is in failure.
2. Outriggers electrovalve does not work.
Remedies: 1. Replace hydraulic pump.
2. Replace the outriggers limit
switches.
If the problem persists, contact the Service.
_________________________________________
Drawback: WITH THE MEWP STABILIZED, THE
CONSENT LIGHT FOR AERIAL PART USE
DOES NOT TURN ON.
Cause: 1. The green light does not work.
2. Micro-switch system does not work.
3. Stabilization is insufficient.
Remedies: 1. Replace micro-switch.
2. Further extract outriggers.
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