Heat Controller DMC36CA-1, DMC24CA-1 manual When indoor Fan does not operate

Page 35

Troubleshooting Guide

Trouble 4

When indoor Fan does not operate

 

 

 

 

 

Turn off Main power

 

 

 

Check the connection of CN-FAN or CN-MOTOR

Check the Fan Motor

Check the Fuse(AC250V/T2A)

Check the related circuit of indoor Fan Motor.

The pin of Micom, and the part for driving SSR

Check the pattern

Check the SSR

-SSR Open: Indoor Fan Motor never operate

-SSR short: Indoor Fan Motor always operates in case of ON or OFF.

Turn ON Main Power

Check the SSR high speed operation by remote control.

(The Indoor Fan Motor is connected)

The voltage of PIN NO 1(blue) and 3(yellow) of CN-FAN or CN-MOTOR.

About AC 160V over

About AC 50V over

SSR is not damaged

SSR Check

Service Manual 35

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Contents Ceiling Cassette Type Single-Zone Air Conditioning Table of Contents Installation Safety PrecautionsDo not let electric parts of the product get wet Be cautious when unpacking and installing the productBe sure the installation area does not deteriorate with age OperationalBe cautious that water could not enter the product Do not step on or put anyting on the product. outdoor units ThinnerFeatures & Benefits Two Thermistor Control Swirl SwingSpace Control Auto Restart OperationWater Drain Pump Time Delay Safety FunctionZero Standby Power High Ceiling OperationCeiling Cassette List of FunctionsNd F Button Function of Remote ControlWireless LCD Remote Control Wired LCD Remote Control DMC36CA-1 SpecificationsOutdoor Unit Indoor Units Dimensional DrawingsModel No. DMC24CA-1 Model No. DMC36CA-1 DMC24CA-1 / DMC36CA-1 Wiring DiagramsIndoor Unit DMC36CA-1 Outdoor UnitDMC24CA-1 Cooling Only Models Refrigerant Cycle DiagramsOutdoor Unit InstallationSelect the best location Indoor UnitSettlement of outdoor unit Indoor Unit InstallationWiring Connection Air conditioner unit Piping side Installation of Decoration PanelHeat Insulation Heat Insulation and pipingsDrain test Drain Pipe WorkDrain Piping of Ceiling Cassette Test running Precautions in Test RUNEvaluation of the performance Connection of power supplyTwo Thermistor System Optional OperationRemote Controller Adjusting air volume to the height of ceilingProcedure Wiring designTrouble analysis Troubleshooting GuideCycle Troubleshooting Guide Trouble Electronic Parts Troubleshooting GuideProduct doesnt operate with the remote controller When cooling does not operate When indoor Fan does not operate Trouble 5 When Vertical Louver does not operate Self-diagnosis Function Indoor ErrorOutdoor Error Error IndicatorCheck Point Troubleshooting CH01, CH02, CH06Troubleshooting CH03 Drain pump Float switch Open Drain pump power input Troubleshooting CH04Troubleshooting CH05, CH53 Troubleshooting CH24, CH25 Constant Troubleshooting CH32, CH33Inverter Troubleshooting CH41, CH44, CH45, CH46, CH47, CH65 Troubleshooting Guide Troubleshooting CH61, CH62 Way Valve Liguid Side Way Valve Gas Side Way ValveSet the liquid side valve to the closed position ProcedurePumping down Air purging of the charge hoseAll amount of refrigerant leaked Mount the valve caps and the service port capsEvacuation Connect the gauge to the charging cylinder Mount the valve stem nuts and the service port nutGas Charging After EvacuationMain P.C.B ASM Electronic Control Device03/19/07
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