Daewoo DPB-280LH service manual Trouble Shooting

Page 37

7. TROUBLE SHOOTING

 

 

 

 

Trouble

 

 

 

Is the

 

 

Is the power

NO

Check power supply mains

 

unit display

 

 

 

 

 

applied to the

 

or interconnection wires

 

normal?

 

 

 

 

 

 

unit

 

 

 

 

 

 

 

 

 

YES

 

 

YES

 

 

NO

Outdoor unit does

 

 

Is the

 

 

 

not run?(note. 1)

 

 

 

 

 

 

 

power normal?

NO

 

 

 

 

 

Check the wiring of indoor

 

YES

 

 

check the voltage between

 

 

 

 

L & N of terminal

 

 

 

 

 

 

 

 

 

 

 

 

block

 

 

 

Does

NO

 

YES

 

 

 

the compressor run

 

 

 

 

 

 

 

 

 

normally?

 

 

 

 

 

 

YES

 

 

press the power ON/OFF

 

 

 

 

 

button on remote controller

 

 

 

 

 

 

 

 

 

Indoor unit does

NO

 

YES

 

 

 

not run(note 1)

 

 

 

NO

 

 

 

 

 

 

 

Is the unit

YES

 

 

Does the

 

 

display

 

Normal

 

 

 

 

 

beeper beep two

 

 

mormal?

 

 

 

 

Does

Check the failure

 

 

times?

 

NO

 

 

 

control PCB

 

 

 

 

 

code according to

check the

 

YES

NO

status LED repeat one

 

the self diagnostic

 

second "on and

 

connecting

 

 

 

 

(note 2)

 

 

 

off"?

YES

point of

 

 

 

 

 

 

 

 

 

magnetic

 

 

 

 

 

 

NO

Is the display

• control PCB fault

 

 

contactor

 

 

 

• Micom or reset

 

 

 

 

all off?

 

 

 

 

IC fault

YES

 

 

 

 

 

 

 

 

 

YES

 

 

check the failure

• Check the connector on display

 

code according to

• Check the remote signal receiver

the self-diagonostic

PCB connected to control PCB

• Check the connection between signal

(note 2)

• Check the display PCB itself

receiver and control PCB

 

 

 

36

Image 37
Contents Floor Standing AIR Conditioner Contents Installation Place Installation GuideSpace to Install Installation of Outdoor Unit Installation of Indoor UnitRefrigerant Tube Connection Spec Color Electrical WiringDPB-280LH SpecificationsIndoor Unit OutlineOutdoor Unit Parts of Name and Function OperationIndoor Unit Room Temperature / Desired Temperature Indicator Outdoor Unit AIR Outdoor UnitName of Each Button Remote ControllerReplacing Batteries Remote Controller DisplayON-Timer OFF-TimerControl of Room Temperature Description of FunctionsFan Speed Indoor Unit Frost Prevention of Indoor Unit Sleep ModeSeconds Time Delay of Indoor Fan Motor Min. Time Delay of CompressorAuto Mode Quick ModePowerful Cooling & Heating Dehumidification ModeSelf-Diagnostic Function Air Discharge DirectionCircuit Diagram Main Electric Parts Type/model Technical data StandardPCB Circuit Diagram Part Code Part Name Quantity Specification Heat Shink PCB Driving Description Power Supply1Oscillator2 Resistance & Voltage of the Sensor Sensor3Triac Driving4 Remote Controller5 Micom Power Supply7 Reset8 Buzzer Driving10 Function Selecting9Zero Crossing Detect11 Stepping Motor Driving12 Micom Darlington Arrays KID65004 Reset IC KIA 7042P Indoor Unit Refrigerant CycleTrouble Shooting Neither Indoor Unit nor Outdoor Unit Runs Outdoor Unit Runs but Indoor Unit Do Not Run Outdoor Fan Do Not Run Only Compressor Do not Run Remote Controller Assmbly Functional Test Method ~24 Hour Exploded Diagram Page Part Code Part Name Quantity Remarks Bracket Front R Outdoor Unit Page Base PAN Paint Assy Printed Date APR.1999

DPB-280LH specifications

The Daewoo DPB-280LH is a standout in the realm of compact yet powerful pressure washers, engineered to meet the needs of both homeowners and professionals seeking effective cleaning solutions. Its blend of performance, portability, and user-friendly design makes it an essential tool for a variety of tasks.

One of the most notable features of the DPB-280LH is its robust motor. With a powerful 2800 PSI pressure output, it is capable of tackling tough grime, dirt, and stains across multiple surfaces including vehicles, patios, and decks. This level of power ensures that users can achieve impressive cleaning results without the need for strenuous scrubbing.

The technology behind the DPB-280LH includes an efficient pump system, which is designed to maximize water flow while minimizing water consumption. This not only enhances cleaning efficiency but also promotes environmental sustainability—a feature increasingly valued by users today. In addition, the unit boasts an impressive flow rate, further contributing to its effectiveness in achieving rapid cleaning results.

Durability is another hallmark of the Daewoo DPB-280LH. Constructed with high-quality materials, this pressure washer is built to withstand rigorous use, making it a reliable companion for regular cleaning tasks. The design includes reinforced components that ensure longevity, even in demanding environments.

Portability is key to the DPB-280LH's appeal. It features an ergonomic handle and a lightweight frame, making it easy to maneuver around different cleaning areas. The integrated wheels enhance mobility, allowing users to transport it effortlessly from one job site to another. This is particularly beneficial for those who may need to clean large outdoor spaces or tackle multiple projects in various locations.

The DPB-280LH also incorporates user-friendly features, such as an easy-to-use trigger gun and adjustable spray settings. This versatility allows users to customize the pressure according to the specific cleaning task, whether rinsing off a car or removing grime from a driveway.

Additionally, the unit supports various cleaning attachments, including different nozzles and brushes, thereby enhancing its versatility. Such adaptability ensures that it is equipped to handle a wide variety of cleaning challenges.

In summary, the Daewoo DPB-280LH combines power, portability, and user-centric features to deliver an exceptional pressure washing experience. With its durable construction, potent motor, and versatile capabilities, it stands out as an essential tool for anyone looking to achieve thorough cleaning results efficiently and effectively. Whether for home use or professional tasks, the DPB-280LH is a reliable choice that promises to meet and exceed expectations.