Faults and trouble shooting

Faults and trouble shooting

When either one of the variable speed drives or frequency converters in the machine experience a fault and “trip” out, they will cease to run and an error message will appear flashing on the keypad display (see picture below).

The following list are the most commonly experienced faults and possible action steps.

Fault code

Fault Code

Possible Cause

Action

1—OVER CURRENT

Motor being worked too hard and

Check current being drawn when machine is

 

drawing extra current.

running. Reduce speed setting and current draw

 

 

back into acceptable limits as described on

 

 

previous page.

 

Short circuit on output side of vari-

Check wiring in plugs connected to motor cables

 

able speed drives or frequency con-

or inside connection boxes on motors.

 

verters.

 

 

Motor failure (very rare)

Have motor tested and replace if required.

 

Poor voltage supply to machine will

See comments on page 10

 

result in excess current draw

 

3—EARTH FAULT

Short circuit on output side of vari-

Check wiring in plugs connected to motor cables

 

able speed drives or frequency con-

or inside connection boxes on motors.

 

verters.

 

 

Motor failure (very rare)

Have motor tested and replace if required.

9—UNDER VOLTAGE

Insufficient voltage supply to ma-

Check power supply and ensure correct voltage.

 

chine.

 

 

Power supply to variable speed

Re-connect power to grinder.

 

drives or frequency converters has

 

 

been turned off.

 

11—OUTPUT PHASE

Short circuit on output side of vari-

Check wiring in plugs connected to motor cables

SUPERVISION

able speed drives or frequency con-

or inside connection boxes on motors.

verters.

 

 

 

 

Motor failure (very rare)

Have motor tested and replace if required.

14—UNIT OVER TEM-

Variable speed drives or frequency

Open door on electrical cabinet to increase ven-

PERATURE

converter over temperature due to

tilation. Have variable speed drives or frequency

 

high temperature working environ-

converter tested by service agent.

 

ment or faulty temperature sensor.

 

 

 

 

15—MOTOR STALLED

Motor being worked too hard and

Check current being drawn when machine is

 

drawing extra current.

running. Reduce speed setting and current draw

 

 

back into acceptable limits as described on

 

 

previous page.

 

Mechanical jam preventing motor

Try rotating grinding discs and planetary head by

 

from turning.

hand to see if jam exists

16 - MOTOR OVER TEM-

Motor being worked too hard and

Check current being drawn when machine is

PERATURE

drawing extra current.

running. Reduce speed setting and current draw

 

 

back into acceptable limits as described on

 

 

previous page.

English - 15

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Husqvarna PG530 manuel dutilisation Faults and trouble shooting, Fault Code Possible Cause Action
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PG530 specifications

The Husqvarna PG530 is a powerful and versatile floor grinding machine designed for professional contractors and heavy-duty applications. This equipment is ideal for preparing and finishing various types of surfaces, including concrete, terrazzo, and natural stone. Built with advanced technologies and rugged construction, the PG530 stands out in the market for its reliability and performance.

One of the key features of the Husqvarna PG530 is its unique three-disc design, which provides efficient grinding performance. The three grinding heads allow for better distribution of weight and improved balance, ensuring an even grind across the floor. With a wide grinding width of 21 inches, the PG530 can cover large surface areas quickly, making it an efficient choice for both small projects and larger commercial jobs.

The machine is powered by a robust 15 HP motor, delivering ample power to tackle tough grinding tasks. It also features adjustable grinding pressure, allowing users to optimize the pressure according to the specific requirements of the job. This adaptability makes the PG530 suitable for a wide range of applications, from light surface preparation to heavy-duty grinding and polishing.

Additionally, the PG530 is equipped with Husqvarna's patented Dual Drive Technology. This innovative system provides independent speed control for both the grinding heads and the machine's forward movement. This capability allows operators to adjust the speed of the grinding discs while controlling the speed of the machine itself, resulting in enhanced flexibility and control during operation.

The machine is designed with user comfort in mind. Its ergonomic handle and adjustable working height make it easy to operate for extended periods without causing fatigue. The PG530 is also fitted with an integrated dust collection system, helping to maintain a clean working environment by minimizing dust and debris. This feature is essential for safety and compliance with health regulations.

In terms of usability, the PG530 is easy to transport and set up, making it a practical choice for contractors on the go. Its compact footprint ensures that it can maneuver in tight spaces, while the folding handle allows for easy storage.

Overall, the Husqvarna PG530 combines powerful performance, innovative technology, and user-friendly design to meet the demands of flooring professionals. Whether for surface preparation, grinding, or polishing, the PG530 is a reliable tool that enhances productivity and delivers superior results.
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