MAN.241 Rev.5 ENG - Use and maintenance manual S23 page 101 of 127
9 Troubleshooting
Issue: THE CONSENT LIGHT FOR STABILIZATION
DOES NOT TURN ON.
Causes: 1. The aerial part of the MEWP is not
in transport position.
2. Failure fuse 30A battery side.
3. Defective board.
4. Wire removed from the battery.
Remedies: 1. Place the aerial part of the MEWP in
transport position.
2. Check if any cable is disconnected
from the battery.
3. Replace fuse.
4. Replace the limit switches.
If the problem persists, contact the Service.
_________________________________________
Issue: THE STABILIZERS DO NOT WORK.
Causes: 1. The hydraulic pump unit is faulty.
2. Stabilizers electrovalve do not work.
Remedies: 1. Replace the hydraulic pump.
2. Replace the stabilizers limit
switches.
If the problem persists, contact the Service.
_________________________________________
Issue: 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 incomplete.
Remedies: 1. Replace led.
2. Replace micro-switch.
3. Further extract outriggers up to soil
contact.
If the problem persists, contact the Service.
_________________________________________
Issue: THE AERIAL PART OF THE MEWP DOES
NOT WORK.
Causes: 1. The hydraulic pump unit is faulty.
2. Not having switched the deadman
lever on control station.
3. The exchange electrovalve is not
energized.
4. Emergency button activated.
Remedies: 1. Replace the hydraulic pump.
2. Turn on and connect the control sta
tion.
3. Replace the exchange valve.
4. Turn the emergency button and re
set the MEWP.
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