Husqvarna 525iHF3 (tool only): faults, parts & manual

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Hedge trimmers — Husqvarna

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Husqvarna

525iHF3 (tool only)

Battery hedge trimmer. Spare parts with Husqvarna’s own order codes, and the troubleshooting chapter of the operator’s manual.

Photograph: a hedge trimmer. We hold no photograph of this exact machine, and we would rather say so than pass one off.
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What actually breaks

Open the problem that matches yours. Everything inside comes from the troubleshooting chapter of the operator’s manual Husqvarna publishes for this model — a 68-page document we read on 10 September 2026.

Fault messages shown on the display 11 lines

Husqvarna sets this out as a table with the columns “Problem”, “Possible causes”, “Recommended step”. We print the lines in the maker’s order.

  • The blade moves slowly or does not move.
  • The blade is blocked or it is damaged.
  • Clean the blades from unwanted materials. Refer to To clean and lubricate the blades on page 15. Remove burrs from the blade, refer to To examine the blades on page 15. Replace the blade if it is damaged.
  • The blade does not cut easily.
  • The blade is not sharp or it is damaged.
  • Sharpen the blade, refer to To examine the blades on page 15. Replace the blade if it is damaged.
  • The blade becomes hot.
  • There is friction between the blades.
  • Remove burrs from the blade and lubricate the blade.
  • Refer to To clean and lubricate the blades on page 15.
  • User interface
Further checks in the same chapter 62 lines

Husqvarna sets this out as a table with the columns “Problem”, “Possible faults”, “Possible action”. We print the lines in the maker’s order.

  • Battery LED indicator flashes orange
  • Low battery voltage.
  • Charge the battery.
  • Error LED flashes red
  • Overload.
  • The cutting attachment is jammed. Push and hold the On/Off button to set the product to
  • Off. Remove the battery. Clean the cutting attachment from unwanted materials.
  • Temperature deviation.
  • Let the product cool down.
  • The power trigger and the activate button are pressed at the same time.
  • Release the power trigger and the product is active.
  • The product does not start
  • Dirt in the battery connectors.
  • Clean the battery connectors with compressed air or a soft brush.
  • Error LED is lit with red light
  • The product needs servicing.
  • Contact your servicing agent.
  • Battery 40-B220X 1 Symptoms
  • Cause
  • Action
  • The troubleshooting may differ for other battery models. Refer to the operator's manual of the battery for information about how to use the battery. Only use Husqvarna approved batteries.
  • The battery error indicator flashes.
  • The battery is empty.
  • Charge the battery.
  • Heavy workload in combination with very low battery temperature.
  • Make the battery warm. For example, move it indoors or operate at low speed until the battery is warm.
  • The battery does not operate. The operating range of the battery is at its limit.
  • Remove the battery from the product.
  • Let the battery rest, and then push the battery indicator button.
  • The battery temperature indicator is
  • ON.
  • The battery is too cold or too hot to use.
  • Keep the battery in an ambient temperature between -10°C (14°F) and 40°C (104°F). When the battery has the correct temperature, it can be used again.
  • The battery temperature indicator flashes.
  • The battery is near its temperature limits.
  • Decrease the speed and/or workload.
  • Keep the battery in the preferred temperature between +10°C (50°F) and +30°C (86°F) for optimal performance.
  • The battery temperature indicator is
  • ON while the battery is in the charger.
  • Temperature deviation, the battery is too cold or too hot to charge.
  • Let the battery cool down or move it indoors to warm it up. When the battery has the correct temperature, it can be charged again. Make sure to use the charger where the ambient temperature is between 5°C (41°F) and 40°C (104°F). Keep the charger away from sunlight. If the problem
  • continues, speak to your dealer.
  • The battery error indicator comes on.
  • The battery has a critical error.
  • Speak to your dealer.
  • Battery charger 40-C500X 2 Symptoms
  • Possible faults
  • Possible procedure
  • The charging indicator on the charger is yellow.
  • The battery error indicator flashes, or the battery temperature indicator is on.
  • Temperature deviation, the battery is too cold or too hot to use or charge.
  • If the battery is too hot, keep it connected to the charger.
  • The built-in fan of the charger decreases the temperature of the battery. When the battery has the recommended temperature, the charging starts automatically.
  • If the battery is too cold, move it indoors. When the battery has the recommended temperature, continue the charging.
  • Obey the temperature range for operation, refer to the operator's manual of the battery charger. Keep the charger away from sunlight. If the problem continues, speak to your dealer.
  • The charging indicator on the charger is yellow. The battery error indicator on the battery is on.
  • The battery has a critical error.
  • Speak to your dealer.
  • The troubleshooting may differ for other battery charger models. Refer to the operator's manual of the battery charger for information about how to use the battery charger. Only use Husqvarna approved battery chargers.
  • The charging indicator on the charger is red.
  • The charger has a critical error.
  • Speak to your dealer.

Why we quote instead of rewriting. The manual is laid out as a table. Read by machine, a PDF loses the boundaries between columns, and pairing a symptom with the wrong remedy would give you a page that is confidently wrong rather than obviously broken. So we keep the maker’s order and words, and tell you how the table is built. The manual itself is linked further down.

Parts & prices

Every code below is Husqvarna’s own, read from the maker’s parts pages for this exact model. The code is printed on the part itself — on a label, moulded into the plastic or stamped in the metal. Read it off the broken part and type it here to find it straight away.

CONTROL PANEL
593841101
🛒 Find this part
WIRING ASSY
593712001
🛒 Find this part
SCREW ITXSCFM
525755101
🛒 Find this part
SCREW ITXSCT
580292901
🛒 Find this part
BRACKET
592933501
🛒 Find this part
SCREW ITXSCM
525824903
🛒 Find this part
SCREW ITXSCFM
525755108
🛒 Find this part
MOTOR ASSY
595010710
🛒 Find this part
SUSPENSION
503911001
🛒 Find this part
CONTROL UNIT
547319201
🛒 Find this part

We hold no photograph of the individual parts: Husqvarna does not publish them, and we would rather say so than show you the wrong picture. Prices are the maker’s United States list prices on the day we read them — an order of magnitude, not a quote. The buttons search shops in your own country, and those shops pay us a commission.

Where to buy

The search opens in your own country’s shop, in that shop’s language, with our tracking — the shop pays us a commission, you pay the same price.

TOOLS FOR THE JOB

Tools you’ll need

Chosen for this family, not a generic list. Prices and availability come from the shop in your country, with our tracking.

Specifications

Copied field for field from the manufacturer’s own product page on 10 September 2026, in the maker’s units. We do not convert them: a rounded conversion is how a torque figure quietly becomes wrong.

Motor typeBLDC (brushless)
Product size length84.3 in
Weight (excl. battery)10.14 lbs
Knife length25.59 in
Teeth opening1.18 in
BatteryNot included
Battery chargerNot included
Battery chemistryLi-Ion
Battery voltage36 V
Equivalent vibration level (ahv, eq) rear handle4.4 m/s²
Equivalent vibration level (ahv, eq) front handle4.7 m/s²
Sound power level, guaranteed (LWA)92 dB(A)
Sound pressure level at operators ear81 dB(A)
Cutting speed4,200 cut/min
ConnectivityBLE-HAPP

Manuals & documents

We link the maker’s documents instead of re-hosting them, so you always open the version Husqvarna is publishing today.

THE SAME BENCH

Other machines in this family

Machines in the same family for which we also have the maker’s codes, prices and troubleshooting chapter. The whole family →

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WHERE THIS COMES FROM, AND WHAT WE ARE MISSING

Our sources

What is missing, said plainly. We hold no photograph of this exact machine, no repair times and no failure statistics — nobody publishes those honestly. Prices are Husqvarna’s United States list prices and will differ in your country. We are not a dealer: we do not stock parts, and the buttons search shops that pay us a commission.

TroubleAtlas Technical Team · Compiled from manufacturer documents read on 10 September 2026 · Last checked 26 September 2026 · How we verify

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