DURASTAR DRA1U09S1A Owner'S Manual Download Page 11

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11

TROUBLESHOOTING

When troubles occurs, please check the following points before contacting a repair company.

PROBLEM

POSSIBLE CAUSES

SOLUTION

Poor cooling 

performance

The heat exchanger on the indoor 

or outdoor unit is dirty

Clean the affected heat exchanger

The air inlet or outlet of either unit is 

blocked

Turn the unit off, remove the obstruction 

and turn it back on

Low refrigerant due to leak or long-

term use

Check for leaks, re-seal if necessary and 

top off refrigerant

Poor heating 

performance

The outdoor temperature is 

extremely low

Use auxiliary heating device

Low refrigerant due to leak or

long-term use

Check for leaks, re-seal if necessary and 

top off refrigerant

The unit 

starts 

and stops 

frequently

There’s too much or too little 

refrigerant in the system

Check for leaks and recharge the system 

with refrigerant

Incompressible gas or moisture has 

entered the system

Evacuate and recharge the system with 

refrigerant

The compressor is broken

Replace the compressor

The voltage is too high or too low

Install a manostat to regulate the voltage

The unit is not 

working

Power failure

Wait for the power to be restored

The power is turned off

Turn on the power

The fuse is burned out

Replace the fuse

NOTE

If your problem persists after performing the checks and diagnostics above, or the error 

code remains, turn off your unit immediately and contact an authorized service center.

Summary of Contents for DRA1U09S1A

Page 1: ...1U09S1A DRA1U12S1A DRA1U18S1A DRA1U24S1A DRA2U18M1A DRA3U28M1A DRA4U36M1A DRA5U48M1A Model Number Serial Number Purchase Date Installing Contractor Company Name TIP Capture relevant information about...

Page 2: ...URASTAR COM 2 TABLE OF CONTENTS TABLE OF CONTENTS 2 INTRODUCTION 3 WARNINGS 3 IMPORTANT SAFETY PRECAUTIONS 4 PARTS IDENTIFICATION 7 OPERATING TEMPERATURES 8 TROUBLESHOOTING 9 LIMITED WARRANTY PARTS 12...

Page 3: ...d in This Manual INTRODUCTION To better serve you please do the following before contacting customer service If you received a damaged product immediately contact the retailer or dealer that sold you...

Page 4: ...this can permanently damage the remote If the below problems occur please turn off the air conditioner and disconnect power at the circuit breaker immediately Then contact your dealer or a qualified...

Page 5: ...not share the electrical outlet with other appliances Improper or insufficient power supply can cause fire or electrical shock The product must be properly grounded at the time of installation or ele...

Page 6: ...ury and damage Install drainage piping according to the instructions in the installation manual Improper drainage may cause water damage to your home and property For units that have an auxiliary elec...

Page 7: ...DURASTAR COM 7 PARTS IDENTIFICATION FPO NOTE Outdoor units will vary in appearance Valve Cover Signal Cable Refrigerant Pipes and Drain Hose Wiring Terminal Air Outlet Air Inlets...

Page 8: ...nd windows closed Limit energy usage by using TIMER ON and TIMER OFF features Do not block air inlets or outlets Regularly inspect and clean air filters NOTE Keep the room s relative humidity below 80...

Page 9: ...frequent use do the following Inspect for damaged wires Clean all filters Check for leaks Replace batteries Make sure nothing is blocking any air inlets or outlets TROUBLESHOOTING SAFETY PRECAUTIONS...

Page 10: ...mal expansion and contraction of plastic and metal parts caused by temperature changes during operation can cause squeaking noises The outdoor unit makes noises The unit will make different sounds bas...

Page 11: ...ue to leak or long term use Check for leaks re seal if necessary and top off refrigerant The unit starts and stops frequently There s too much or too little refrigerant in the system Check for leaks a...

Page 12: ...s the final occupancy permit or proof of purchase from the builder can be substituted for the installer s invoice b if the original installation date cannot be verified by the installer s invoice or p...

Page 13: ...tact a licensed contractor dealer or distributor Durastar Customer Support is available for troubleshooting assistance Before contacting Customer Support please locate your model number serial number...

Page 14: ...DURASTAR COM 14 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 15: ...DURASTAR COM 15 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 16: ...DURASTAR COM 2020 Durastar V1 0...

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