76
4000599070
E11.16
USA / GB
HA120PX
D
- Diagnosis assistance
2 - Troubleshooting
Diagnosis
Problem
Probable cause
Solution
Engine cannot be
started or stopped
Empty fuel tank
Fill the tank
Batteries discharged
Recharge the battery or batteries
Faulty printed circuit fuses (ground
control box)
Replace the fuse(s)
E-stop push-buttons are pushed in
Pull the E-stop buttons
Engine in restricted mode (oil pressure
indicators, overheating indicator,
alternator charging indicator and clogged
air filter indicator on)
See engine manufacturer's manual or contact HAULOTTE
Services®
Charge indicator bulb burnt out
Replace the bulb
Clogged air filter indicator on
Replace the air filter cartridge
Faulty engine safety relay
Replace the relay(s)
Poor cable/battery terminal contact
Loosen and clean the terminals
Low hydraulic
pump pressure or
power
Clogged air filter
Replace the filter
Engine speed too low
Contact HAULOTTE Services®
Oil leak on couplings, hoses or
components
Clogged oil filter
Replace the oil filter cartridge
See maintenance sheet E003
Platform controls
do not respond
Ground control box selector key is set to
ground control box position
Turn the ground control box selector key to platform control
box position
Platform overload indicator
Remove some weight
Do not exceed the authorised limit
Section G 1-Main
characteristics
'Enable Switch's' pedal is not activated
Keep pressure on the pedal during movement
Button or joystick corresoponding to the
faulty movement
Replace the knob or joystick
Tilt or slope exceeding the authorised
limit
Lower the arm and boom
Do not exceed the authorised limit
Section G 1-Main
characteristics
No high speed
Platform extended
Fold the arm, boom and jib
No steering
Not enough hydraulic oil
Top up the oil level
'Enable Switch's' pedal is not activated
Keep pressure on the pedal during movement
Platform and
turntable controls
do not work
Faulty solenoid valve for the selected
movement or YV1 or YV2
Replace the solenoid valve or the solenoid valve coil
Contact HAULOTTE Services®
Not enough hydraulic oil
Top up the oil level
Earthing fault or open circuit on a
movement solenoid valve
Look for the faulty solenoid valve
Contact HAULOTTE Services®
No driving,
telescope
extension, boom
lifting or arm lift/
lower and the
buzzer is on
Tilt or slope exceeding the authorised
limit
Lower the arm, boom and jib
Do not exceed the authorised limit
Section G 1-Main
characteristics
No turntable
rotation
Turntable rotation locking pin is inserted
in the chassis
Remove the pin
Hydraulic pump is
making an
abnormal noise
Not enough hydraulic oil
Top up the oil level
A drive wheel does
not hold the road
Insufficient load on one wheel
Press the differential locking selector (Low speed )
Summary of Contents for HA120PX
Page 1: ...Maintenance book HA120PX 4000599070 E11 16 USA GB Maintenance book HA120PX ...
Page 2: ...2 4000599070 E11 16 USA GB HA120PX ...
Page 14: ...14 4000599070 E11 16 USA GB HA120PX A Safety precautions Notes ...
Page 50: ...50 4000599070 E11 16 USA GB HA120PX C Maintenance Notes ...
Page 52: ...52 4000599070 E11 16 USA GB Control Oil change Wheel reducer E002 15 mn Notes ...
Page 54: ...54 4000599070 E11 16 USA GB Replacement Hydraulic filter cartridge E003 15 min Notes ...
Page 56: ...56 4000599070 E11 16 USA GB Filling up Oil change Fuel tank E004 15 mn Notes ...
Page 64: ...64 4000599070 E11 16 USA GB Replacement Tightening Wheel E006 15 min Notes ...
Page 66: ...66 4000599070 E11 16 USA GB Tightening Screws bolts and nuts E007 15 min Notes ...
Page 72: ...72 4000599070 E11 16 USA GB Control Filling up Battery charge Battery E018 10 min Notes ...
Page 74: ...74 4000599070 E11 16 USA GB Changing glow plugs Glow plugs E030 30 mn Notes ...
Page 78: ...78 4000599070 E11 16 USA GB HA120PX D Diagnosis assistance Notes ...
Page 90: ...90 4000599070 E11 16 USA GB HA120PX E Electric circuit Notes ...
Page 100: ...100 4000599070 E11 16 USA GB HA120PX F Hydraulic circuit Proportional unit Diagram extract ...
Page 107: ...1 4000599070_USA_GB_e11 16 Electrical diagram HA120PX 1 HA120PX 1 1 FOLIO 1 7 ...
Page 108: ...2 Electrical diagram HA120PX 1 2 FOLIO 2 7 ...
Page 109: ...3 Electrical diagram HA120PX 1 3 FOLIO 3 7 ...
Page 110: ...4 Electrical diagram HA120PX 1 4 FOLIO 4 7 ...
Page 111: ...5 Electrical diagram HA120PX 1 5 FOLIO 5 7 ...
Page 112: ...6 Electrical diagram HA120PX 1 6 FOLIO 6 7 ...
Page 113: ...7 Electrical diagram HA120PX 1 7 FOLIO 7 7 ...
Page 114: ...8 Electrical diagram HA120PX ...
Page 116: ...2 HYDRAULIC DIAGRAM HA120PX ...