Table of Contents
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Table of Contents
Troubleshooting
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Summary of Contents for Premium PPA1208J
- Page 1 AIRE ACONDICIONADO PORTATIL PORTABLE AIR CONDITIONER PPA1208J...
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Page 2: Table Of Contents
CONTENTS Maintenance for Common Trouble .............3 Trouble Analysis …....................3 Remote control battery installation ..............4 Trouble Shooting....................5 Electronic Control Theory ...................5 Typical Trouble Analysis ..................7 Trouble Shooting for Cooling Failure ............11 Refrigerant Principle ....................11 Trouble Shooting Flow for Cooling Failure ............. -
Page 3: Maintenance For Common Trouble
Section One Maintenance for Common Trouble Chapter I Trouble Analysis When trouble happened, don’t get panicky and take apart the machine without any analysis, otherwise some unnecessary damages will be caused. Please deal with the trouble as the following to find a correct solution. If the trouble cannot be solved by the following solutions, please check special trouble solutions for help. -
Page 4: Remote Control Battery Installation
Chapter II Remote control battery installation ⑴ O pen the cover of battery case in remote control. ⑵ According to the polarity tips, install batteries into remote control correctly. (positive pole to “+”, negative pole to “ –“ ). -
Page 5: Trouble Shooting
Section Two Trouble Shooting Chapter I Electronic Control Theory First of all, let’s get a simple knowledge of electronic control theory, so that to seize the key points of problems quickly and deal with problems more efficiently. An electronic schematic diagram as following (this is a typical schematic diagram, for special machine , please note the circuit diagram attached to the machine ): transformer water-... - Page 6 strong power part and weak power part, and electric transformer is the cut-off point. Strong power part before transformer while weak power part after transformer. For strong power part, the phase line enters through 30A compressor relay RY1, then passes fuse, fan motor, four-way valve, water motor. Fan motor is made up of tap motor and centrifugal fan.
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Page 7: Typical Trouble Analysis
signals is sent out through drive ICULN2003 to control relay’s ON/OFF. Then the machine can work well under SCM uniform control. Chapter II Typical Trouble Analysis Trouble Detecting Flow for Abnormal Display Display Abnormal Display Failure Code E1： Indoor temperature sensor failure: sensor plug is in a bad contact with control panel, or damage in sensor E2：... - Page 8 Trouble Shooting Flow for Compressor Turn-On Failure Compressor turn-on failure. If there is at least 3 minutes after compressor restating . Wait for 3 minutes, then re-check the compressor. If the setting temperature under cooling mode is too high. If the setting temperature under heating mode is too low. Setup the temperature to lowest ( cooling mode) or highest (hesting mode).
- Page 9 Trouble Shooting Flow for Low/High Fan-Speed Running Failure Low fan -speed running failure after machine turns on. Check if there is strong power out from power supply line of low fan-speed. Check if there is strong power out Replace main control panel from low fan-speed relay.
- Page 10 Trouble Shooting Flow for Fan Running Failure Fan running failure If there is foreign body in wind wheel ( wind wheel cannot work with big resistance ), YES or NO? Remove foreign body After re-insert fan terminal plug, OK or NOT ? NOT OK After replace fan motor with the same model No., OK or NOT ?
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Page 11: Trouble Shooting For Cooling Failure
Section Three Trouble Shooting for Cooling Failure Chapter I Refrigerant Principle Portable air-conditioning refrigerant system was mainly composed of four parts: compressor, condenser, capillary and evaporator, which are connected by tubes as following: Condenser Evaporator Compressor When portable air conditioner starts to work, firstly compressor compresses normal- temperature and low-pressure refrigerant gas to a high-temperature and high-pressure gas, then send it to condenser. -
Page 12: Trouble Shooting Flow For Cooling Failure
Chapter II Trouble Shooting Flow for Cooling Failure Cooling Failure Display normal or not Show Failure Code Codes refer to chapter II section two Show abnormal Electrical Control refers to chapter II section two Environmental temperature >setting temperature,YES or NO? Reset setting temperature <... -
Page 13: Circuit Diagram
chapter III Circuit Diagram... -
Page 14: Explosive View
Chapter Ⅳ Explosive View...
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