TROUBLESHOOTING

Symptoms That Seemingly Appear to be Failures

Make the checks suggested below depending on the symptoms observed. If the symptoms remain uncorrected, contact your dealer.

WARNING

Customer servicing can be hazardous.

Symptom

 

Point to check

See page

 

 

 

 

• No picture with the power-indicating lamp

 

• Check the way the power cable is connected.

 

off.

 

• Press the power switch.

 

 

 

 

 

 

 

 

 

 

 

• The message “No Sync. Signal” or “Power

 

 

No sync signal is detected.

 

 

 

 

Save” is displayed.

 

! No Sync. Signal

• Check the way the signal cable is connected.

 

 

 

 

• Make sure that the switch of the computer, imaging equipment ,

 

• No picture with the power indicating lamp

 

 

etc., is turned on.

 

 

 

 

lights in orange.

 

 

• Make sure the computer is not in the power-save mode.

 

 

 

 

• Check to see if the input selection matches the connection

 

 

 

 

 

 

 

 

terminal.

 

 

 

 

 

 

• The message “Invalid Scan Freq.” is

 

 

An input signal is not received normally.

 

 

 

 

displayed.

 

! Invalid Scan Freq.

• Check to see if the input signal matches the monitor

 

 

 

 

specifications.

 

 

 

 

• Check the way the signal cable is connected.

 

• The power indicating lamp is normally lit but

 

 

 

 

 

 

• Check the contrast and brightness settings (adjust them for higher

no picture .

 

 

 

 

 

 

contrast and brightness).

 

 

 

 

 

 

 

• Check the way the signal cable is connected.

 

 

 

 

 

 

 

 

• The display image appears flowing

 

 

 

 

 

 

• Adjust the dot clock frequency and phase. (Adjust the dot clock

 

 

 

 

 

 

slantwise.

 

 

 

 

 

 

frequency first, the dot clock phase next.)

• Text displayed across the screen appears

 

 

 

 

 

 

(RGB input)

vertically streaked, with the characters in

 

 

 

 

 

 

 

 

 

 

 

 

vertical columns blurred.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Text displayed across the screen appears

 

 

 

 

 

• Adjust the dot clock phase for the clearest viewing.

blurred.

 

 

 

 

 

(RGB input)

A fine pattern flickers when displayed on the

screen.

• The remote control does not work.

• Check to see if the batteries are loaded in the remote control in

 

opposite direction.

 

• Check to see if the batteries in the remote control are OK.

ENGLISH

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Hitachi PW1A user manual Troubleshooting, Symptoms That Seemingly Appear to be Failures, Symptom Point to check See

PW1A specifications

The Hitachi PW1A is a pioneering piece of construction equipment that stands out in the world of excavators and heavy machinery. This machine has been engineered to deliver unmatched performance, versatility, and efficiency, setting new benchmarks in the industry.

At the heart of the Hitachi PW1A lies its robust engine, designed to provide high power output while maintaining fuel efficiency. This attribute makes the PW1A a reliable partner on the job site, capable of handling tough conditions and heavy workloads without compromising on performance. The engine complies with stringent emissions standards, making it an environmentally friendly choice for operators aiming to minimize their carbon footprint.

One of the defining features of the Hitachi PW1A is its unique hydraulic system. Equipped with advanced hydraulic technology, the PW1A offers precise control and responsiveness, allowing for smooth operation during various excavation tasks. This hydraulic system not only enhances the machine's overall performance but also contributes to reducing operational costs, as it optimizes fuel consumption.

The design of the PW1A has been meticulously crafted for operator comfort and efficiency. The spacious cab is equipped with ergonomic controls, providing operators with a user-friendly interface that minimizes fatigue during long hours of operation. Additionally, large windows offer excellent visibility, enabling operators to navigate challenging job sites with confidence.

Durability is a hallmark of the Hitachi PW1A. Constructed with high-quality materials and components, this excavator is built to withstand the rigors of demanding construction environments. Its reinforced structure ensures longevity, reducing maintenance costs and downtime.

Furthermore, the PW1A incorporates cutting-edge telematics technology, which allows for real-time monitoring of machine performance and health. This connectivity ensures that operators and fleet managers can make data-driven decisions, optimizing uptime and maintenance schedules.

The versatility of the Hitachi PW1A is further enhanced by its ability to accommodate a variety of attachments, from buckets to hammers. This feature allows operators to seamlessly transition between different tasks, making the machine suitable for various applications, including construction, demolition, and landscaping.

In summary, the Hitachi PW1A combines power, efficiency, operator comfort, and technological advancements, making it a formidable choice in the realm of excavators. Its innovative features and high-quality construction ensure that it meets the demands of modern construction projects while delivering superior performance and reliability.