Heat Controller RAD-101A, RAD-81A, RADS-81B manual Is the voltage No.16

Page 33

Troubleshooting Guide

Possible Trouble 5

• Romote controller does not operate.

Is the voltage of Battery

about over 2.3V?

YES

Is the voltage No.16

of CN-DISP1 on Main P.W.B Ass'y DC 5V?

YES

Is the connection of

CN-DISP1 all right?

YES

• Exchange Receiver Ass'y.

Possible Trouble 6

NO

• Exchange the battery.

NO

• Check the P.W.B pattern.

NO			• Connect connector to
NO			• Connect connector to
			CN-DISP1 exactly.
			CN-DISP1 exactly.

• It displays abnormally on Display P.W.B Ass'y.

Is the IC01G all right?

YES

NO

Is the connection of

CN-DISP1 all right?

YES

Does the Q01G,

Q02G, Q03G Q04G operate normally on main P.W.B Ass'y?

YES

•Exchange the display P.W.B Ass'y.

NO

NO

NO

• Exchange IC01G.

• Connect connector to CN-DISP1 exactly.

• Exchange Q01G, Q02G, Q03G, Q04G

Service Manual 33

Image 33

Contents +$7&21752//5,1& Table of Contents Safety Precautions Always install the expansion panelsDo not disassemble or modify products Do not modify power cord length Plug in the power plug properlyVentilate before operating air conditionerwhen gas goes out Do not use the socket if it is loose or damagedDo not clean the air conditioner with water Dimensions Symbols Used in this ManualOutside Dimensions Items Product SpecificationsRAD 81A Rads 81B Installation Check InstallationHow to Secure the Drain Pipe Select the Best LocationWindow Requirements How to InstallPreparation of Chassis Cabinet InstallationIndoor Outdoor Window Locking Bracket Location and Function of Controls OperationFor Normal Cooling For Maximum CoolingRemote Control Operations Mechanical Parts DisassemblyFront Grille CabinetAir Handling Parts AIR Guide and BlowerFAN and Shroud Motor Electrical PartsOverload Protector CompressorCapacitor Model Rotary Switch Type Model Model Touch & Remote Control Type ModelThermostat Model Rotary Switch Type Model Power Cord Rotary Switch Model Rotary Switch Type ModelRefrigerating Cycle CondenserCapillary Tube EvaporatorPulling Vacuum Wiring Diagram Schematic DiagramCircuit Diagram Electronic Control Device Components LocationFor Main P.W.B ASM Piping System Troubleshooting GuideUnit runs but poor cooling Troubleshooting GuideFails to Start Electric Parts Troubleshooting Guide Model BG8000ER, WG8000RY4, WG1000RY4Possible Trouble Set the Temp. setting to lower Temp Is the voltage No.16 Room AIR Conditioner Voltage Limits Troubleshooting Guide Troubleshooting Guide W0CZZ Exploded Vie wReplacement Parts List +$7&21752//5,1&