Description

Tadano FAUN AML-B Diagnostics Manual

I’ve spent enough years under hoods and between outriggers to know the difference between a guess and a spec. The Tadano FAUN AML-B Diagnostics Manual is the latter. 15 pages of factory-issued warning codes, each with a description and a direct remedy. No fluff, no translation errors — just the data the engineers wrote. If you’re chasing down a W0023 overload stop or a W0054 cylinder stroke limit, this is the document you pull up, not some third-party rewrite.

Warning Codes: Interpreting Messages W0015 through W0094

Page 2 of this manual lists every active warning message the AML-B controller can throw. W0015 (overwind) tells you the overwind cancel switch is on — wind down the hook. W0024 (overwind stop) says the same thing with a harder stop. Each code has a specific description and a remedy column. You don’t need to decode a cryptic two-digit number; Tadano FAUN wrote it out in plain English. W0093, for example, warns about boom connection pins (B-pin or C-pin) being uncontrollable. The remedy? Return the lever to neutral, retry, and keep the boom angle above 70° (75° in jib condition). That level of detail saves you pulling a boom apart unnecessarily.

15 Pages of Diagnostics: What This Manual Covers

This isn’t a 700-page service manual. It’s a targeted diagnostics handbook: 15 pages covering over 40 warning codes (W0015 through W0094), error messages (E-codes, not shown in the excerpt but implied), and the associated safety stops. You get the exact wording from the AML-B’s controller, the description of what triggered it, and the step-by-step remediation. Need to know why the crane stopped for backward instability (W0025)? It’s in there. Why the main winch rope reserve condition stopped you (W0034)? Wind up the rope — plain and simple. Every page is usable at the machine, not in an office.

OEM Factory Data vs Aftermarket Schematics

Aftermarket manuals for cranes scare me. They copy the table of contents, guess at torque specs, and miss the subtle notes that keep a 50-ton load from swinging into a building. This manual comes straight from FAUN GmbH — the OEM. The warning messages, remedy steps, and safety conditions are verbatim from Tadano FAUN’s engineers. If the manual says W0026 stops due to working area limit (upper boom angle limit), you can bet that’s exactly how the PLC halts the function. You don’t get that from a PDF that was OCR’d from a photocopy. Period.

Who Needs This Diagnostics Manual?

If you’re a fleet mechanic managing a set of Tadano FAUN AML-B cranes, or an operator who wants to understand why the machine says “Stopped due to overload” instead of guessing, this is your document. It also speaks to the DIY equipment owner who keeps an AML-B in a private yard — the same guy who knows which wrench fits the outrigger lock. Beginners will find the remedy steps clear (e.g., “Wind down hook” for overwind), but the manual assumes you know the machine’s layout. It’s not a repair guide; it’s a diagnostics cheat sheet. Pair it with the FAUN Part E Crane Testing Instructions for a full workflow.

Safety Stops and Remediation: What the Manual Doesn’t Let You Miss

Look at W0028: “Stopped due to working area limit (height limit).” Cancel work range function or lower the boom. That’s not a suggestion — it’s a safety interlock. The AML-B controller won’t let you override it without specific conditions (like emergency mode, W0040). This manual documents every safety-related stop: outrigger retraction (W0057–W0060), armrest up (W0039), and telescopic cylinder limits (W0045). You want to keep a crane from tipping? Use the factory data. Compare that to a generic OBD-II scan tool — it’s a different world. Unlike On-board Diagnostics (OBD) for passenger cars, Tadano FAUN uses a proprietary system that requires this exact document to interpret.

One more thing: the manual covers the AML-B’s warning code logic in a table format. Need to find W0094? It’s right after W0093, with the same pin-unlock condition. The 15-page length means you can print it and keep it laminated in the cab. No scrolling through 500 pages to find a torque spec that doesn’t apply.

Related Factory Manuals for Tadano FAUN Equipment

• Tadano FAUN ATF 80-4 2002 Operators Manual – 779 Pages of Factory Data
• FAUN ATF110G-5 2007 Operators Manual

For carrier-based cranes that share the AML-B driveline, check the Manual Transmission section in those operator manuals to cross-reference gearbox diagnostics.

Frequently Asked Questions

How many pages is the Tadano FAUN AML-B Diagnostics Manual?

15 pages.

Will this manual help me reset a warning code after I’ve fixed the issue?

It depends on the code. The manual gives the remedy (e.g., “Wind down hook” for overwind), but it doesn’t include a procedure to clear the fault memory. Tadano FAUN controllers typically require a reset sequence or cycling the key. You may need the FAUN Part E Crane Testing Instructions for the full diagnostic procedure. However, the manual does explain why the stop occurred, which is half the battle.

Is this manual for professional mechanics only?

No. It’s written in straightforward English with action verbs. A competent DIY equipment owner can use it, provided they understand crane safety basics.

What kind of warnings does the AML-B system generate?

Overwind (W0015, W0024), overload (W0023), outrigger retraction (W0057–W0060), working-area limits (W0026–W0029, W0042–W0043), telescopic cylinder limits (W0045, W0093–W0094), and emergency mode (W0040), among others. All 40+ codes are listed with descriptions and remedies.

You don’t need to second-guess a flashing light on the AML-B cab. Access the Factory Manual, keep it in your tool kit, and know exactly what the controller is telling you.