Haulotte H28TJ+, Maintenance Book

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2420333140 E06.13 EN
Telescopic machines, 28 - 43 m
D
- Diagnosis assistance
Diagnosis assistance
1 - Recommendations
If a malfunction occurs, check the following points :
• There is sufficient fuel.
• Sufficient engine oil.
• Sufficient hydraulic oil in the tank.
• Batteries are charging.
• Control box emergency stop push-buttons are pulled out.
• The control box selector key is set to platform or ground control box.
• Control box relays are engaged.
• Fuse status.
• Ground control box solenoid valve status.
If the malfunction persists, consult the troubleshooting table to identify the problem.
IF you cannot identify the problem, contact HAULOTTE Services®.
2 - Troubleshooting
Diagnosis H43TPX (HB135JRT)
Incident Probable cause Solution
Engine cannot be
started or
stopped
Empty fuel tank Fill the tank
Leak or air in the fuel circuit Contact HAULOTTE Services®
Clogged fuel filter Replace the filter
Electric battery low Recharge the battery or batteries
Faulty printed circuit fuses (ground
control box)
Replace the fuse(s)
Emergency stop push-buttons are
pushed in
Pull the emergency 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 KP1 Replace the relay(s)
Poor cable/battery terminal contact Loosen and clean the terminals
Boom telescope chain or cable
breakage
Contact HAULOTTE Services®
Internal machine fault
Internal machine defect (radius limit)
Stow the machine using the emergency power unit
Contact HAULOTTE Services®
Connection failure between the
platform and ground control boxes
(CAN)
Stow the machine using the ground control box
Contact HAULOTTE Services®