Heat Controller RADS-81B, RAD-101A, RAD-81A manual Set the Temp. setting to lower Temp

Page 32

Troubleshooting Guide

Possible Trouble 2

• The compressor does not operate.

Is Temp.

setting set lower than Room NO Temp.-0.5°C?

YES

• Set the Temp. setting to lower Temp.

Is the voltage No.10	NO
Is the voltage No.10
of IC01M 0V?

YES

•Check the RY-COMP.

•Check the wiring Diagram.

	Is the voltage N0.7 of			NO
	Is the voltage N0.7 of
	IC01M DC 5V?
		YES
		YES

	• Exchange IC01M.

Is the Unit for 3 minutes

delay?

YES

• Wait 3 Minutes

•Exchange MAIN P.W.B Ass'y.

NO

Possible Trouble 3	• The compressor always operate.

Is the wire connection of

RY-COMP all right?

YES

• Check the RY-COMP.

Possible Trouble 4

NO

• Fan does not operate.

•Connect LEAD Wire to RY-COMP again.

Is the voltage NO.1 or 4		NO
of IC01M DC 5V?
	YES

Is the voltage NO.13 or 16		NO

of IC01M 0V?

YES

•Check the RY-Hi or RY-Lo.

•Check the wiring diagram.

• Exchange IC01M.

• Exchange IC01M.

32Room Air Conditioner

Image 32

Contents +$7&21752//5,1& Table of Contents Do not disassemble or modify products Safety PrecautionsAlways install the expansion panels Plug in the power plug properly Do not modify power cord lengthVentilate 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 Outside Dimensions DimensionsSymbols Used in this Manual Product Specifications ItemsRAD 81A Rads 81B Installation Installation CheckHow to Secure the Drain Pipe Select the Best LocationHow to Install Window RequirementsCabinet Installation Preparation of ChassisIndoor Outdoor Window Locking Bracket Operation Location and Function of ControlsFor Normal Cooling For Maximum CoolingRemote Control Operations Disassembly Mechanical PartsFront Grille CabinetFAN and Shroud Air Handling PartsAIR Guide and Blower Electrical Parts MotorOverload Protector CompressorThermostat Model Rotary Switch Type Model Capacitor Model Rotary Switch Type ModelModel Touch & Remote Control Type Model Rotary Switch Model Rotary Switch Type Model Power CordRefrigerating Cycle CondenserEvaporator Capillary TubePulling Vacuum Schematic Diagram Wiring DiagramCircuit Diagram Electronic Control Device Components LocationFor Main P.W.B ASM Troubleshooting Guide Piping SystemTroubleshooting Guide Unit runs but poor coolingFails to Start Possible Trouble Electric Parts Troubleshooting GuideModel BG8000ER, WG8000RY4, WG1000RY4 Set the Temp. setting to lower Temp Is the voltage No.16 Room AIR Conditioner Voltage Limits Troubleshooting Guide Troubleshooting Guide Exploded Vie w W0CZZReplacement Parts List +$7&21752//5,1&