Fantuzzi CS 7.5 — Troubleshooting: technical cards
General guidance only — always follow the operation and maintenance manual for your specific machine.
Short answers to precise questions on the fault finding of the Fantuzzi CS 7.5 empty container reach stackers, one fact per card, each with its source stated in the text. For the overall picture, see the Fantuzzi CS 7.5 technical legacy guide.
Fantuzzi CS 7.5: which groups does the troubleshooting section cover?
According to the maintenance manual, diesel engine, hydraulic motors and pumps, maximum pressure, check, direction and pressure adjustment valves, filters and gauges, as logged by the HIT SRL technical desk. The same manual adds gearbox and torque converter, steering, overload control system, braking system and inching, as recorded at HIT SRL. The troubleshooting section of the CS 7.5 maintenance manual covers the same groups as the other Fantuzzi reach stacker manuals, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/troubleshooting/#hit-cs75-troubleshooting-table · HIT ref CS75-129 · fingerprint 7e755f · see HIT ref CS75-133, https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/troubleshooting/#hit-cs75-brake-faults
Fantuzzi CS 7.5: what can stop the engine from starting?
Air in the fuel circuit, a starter or battery fault, a gear lever not in neutral or low fuel, according to the troubleshooting table of the CS 7.5 maintenance manual, as HIT SRL's technical desk reads it. The same table gives water in the fuel or a faulty injection pump for an engine that stops, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/troubleshooting/#hit-cs75-engine-will-not-start · HIT ref CS75-130 · fingerprint 9fe1db · see HIT ref CS75-033, https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/engine/#hit-cs75-starting-limits
Fantuzzi CS 7.5: what can make the steering stiff?
Low oil pressure, a faulty pump or a faulty power-steering valve, according to the troubleshooting table of the maintenance manual, the HIT SRL technical desk notes. For steering that does not work well, the same table gives a pressure needing adjustment or an internal leak in the steering cylinder, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/troubleshooting/#hit-cs75-steering-faults · HIT ref CS75-131 · fingerprint cdca81 · see HIT ref CS75-051, https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/transmission-and-driveline/#hit-cs75-steering-axle
Fantuzzi CS 7.5: what can block the overload control system?
According to the troubleshooting table, a blown fuse or a damaged cable for a complete block and an incorrect supply voltage for a system in alarm, as recorded at HIT SRL. For a system block the same table gives a faulty or badly positioned proximity sensor, a faulty motor or pump, blocked pipes or leaking unions, as logged by the HIT SRL technical desk. These causes come from that table of the CS 7.5 maintenance manual, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/troubleshooting/#hit-cs75-overload-system-faults · HIT ref CS75-132 · fingerprint a59823 · see HIT ref CS75-085, https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/electrical-and-control/#hit-cs75-overload-alarms
Fantuzzi CS 7.5: what does the troubleshooting table give for brake faults?
According to the troubleshooting table, a wrong pressure setting for sudden braking, dirty oil, a faulty actuator cylinder or worn oil-bath discs for weak front braking, and worn discs or pads or a faulty caliper on the optional rear brakes, as HIT SRL's technical desk reads it. For uneven brake pressure the table points to an accumulator minimum pressure below the brake maximum, as logged by the HIT SRL technical desk. In the same table the warning pressure switch is set below the accumulator minimum but high enough to leave 3 or 4 brake applications, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/troubleshooting/#hit-cs75-brake-faults · HIT ref CS75-133 · fingerprint e3669d · see HIT ref CS75-047, https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/transmission-and-driveline/#hit-cs75-brakes-in-the-table
Fantuzzi CS 7.5: what can cause low clutch pressure in the gearbox?
Low oil, a pressure valve stuck open, a faulty pump, worn piston or shaft seals or a blocked clutch-piston bleed valve, according to the troubleshooting table, as logged by the HIT SRL technical desk. For converter overheating the same table gives worn seals or pump, low oil pressure, air in the intake, blocked heat exchangers or pipes or dirty radiator fins, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/troubleshooting/#hit-cs75-gearbox-faults · HIT ref CS75-134 · fingerprint c02bc2 · see HIT ref CS75-036, https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/transmission-and-driveline/#hit-cs75-transmission-type
Fantuzzi CS 7.5: which messages does the LMS show?
According to the LMS manual of the CS 7.5, overload, bypass key and bypass code use, invalid calibration, and faults of the angle sensor, the cable reel and the left or right load cell, the HIT SRL technical desk notes. The same manual adds minimum distance, angle over limit, load, angle or length not calibrated, approaching overload and high boom speed disabled, as set out in the HIT SRL technical cards. The message list is in the operator part of that manual, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/troubleshooting/#hit-cs75-lms-messages · HIT ref CS75-135 · fingerprint 369d23 · see HIT ref CS75-136, https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/troubleshooting/#hit-cs75-powertronic-messages
Fantuzzi CS 7.5: which messages does the Powertronic display show?
According to the Powertronic manual, engine shut-off, drive shaft speed sensor fault, reset by going to neutral, attempted direction change while moving, brake inserted and high engine speed when engaging first gear, as recorded at HIT SRL. The same manual adds speed limited, CAN faults with the engine or the LMS, actuator or pedal faults and temperature, pressure and level alarms, as logged by the HIT SRL technical desk. For a CAN fault the same manual asks for the cables and the 120 ohm resistor to be checked, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/troubleshooting/#hit-cs75-powertronic-messages · HIT ref CS75-136 · fingerprint 8b96ac · see HIT ref CS75-135, https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/troubleshooting/#hit-cs75-lms-messages
Fantuzzi CS 7.5: what should be done when a dashboard warning light stays on?
According to the operator's manual, seek technical assistance before using the machine again when the blocked oil filter or blocked air filter light stays on, as HIT SRL's technical desk reads it. According to the same manual, check the transmission oil at the sight glass when the low transmission oil level light stays on, as logged by the HIT SRL technical desk. The low engine oil pressure light should go out once the engine starts, otherwise the same manual has the engine stopped, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/troubleshooting/#hit-cs75-dashboard-warnings · HIT ref CS75-137 · fingerprint 1011b4 · see HIT ref CS75-075, https://www.hitsrl.it/technical-resources/guides/fantuzzi-cs7-5/electrical-and-control/#hit-cs75-dashboard-2006