Heat Controller VMC18SB-1/VMH18SB-1 18,24,30kBtu/h Model Indoor Error, Outdoor Error

Page 46

Part 4 Trouble Shooting

18,24,30kBtu/h Model Indoor Error

Error code

Descrition

INV TPS

LED1

LED2

Indoor

(Red)

(Green)

Status

 

 

 

 

 

 

 

 

 

00

No Error

 

 

ON

 

 

 

 

 

 

01

Indoor Room themistor error

 

1time

OFF

 

 

 

 

 

 

02

Indoor in-piping sensor error

 

2times

OFF

 

 

 

 

 

 

05

Communcation error between indoor and outdoor units

 

5times

OFF

 

 

 

 

 

 

06

Indoor Out-Piping sensor error

 

6times

OFF

 

 

 

 

 

 

Outdoor Error

Ex) Error Code 21 (IPM Fault)

2 Times2 Times2 Times

LED01G

(RED)

1 Sec.

1 Sec.

1 Sec.

1 Time

1 Time

1 Time

LED02G

(GREEN)

2 Sec.

2 Sec.

Error

Contents

LED01G

LED02G

Case of error

Outdoor

code

(Red)

(Green)

Status

 

 

 

 

 

 

 

 

21

IPM Fault (Compressor Over current)

2 times

1 time

Compressor malfunction,IPM Fault

Off

 

 

 

 

 

 

22

CT 2(Max. Current)

2 times

2 times

Current is 14A or above.

Off

 

 

 

 

 

 

23

DC Link Low Volt.

2 times

3 times

DC Link volt. Is 140V or below.

Off

 

 

 

 

 

 

24

Low / High press

2 times

4 times

Low / High press switch OPEN

Off

 

 

 

 

 

 

25

AC Low / AC High Volt.

2 times

5 times

Abnormal AC volt. Input.

Off

 

 

 

 

 

 

26

DC Compressor Position

2 times

6 times

 

Off

 

 

 

 

 

 

27

PSC Fault

2 times

7 times

 

Off

 

 

 

 

 

 

28

DC Link High Volt

2 times

8 times

Off

Off

 

 

 

 

 

 

32

Discharge Pipe Temp. High (INV)

3 times

2 times

Off

Off

 

 

 

 

 

 

33

Discharge Pipe Temp. High (Cons.)

3 times

3 times

Off

Off

 

 

 

 

 

 

- 46 -

Only for training and service purposes

Image 46
Contents Heat CONTROLLER, INC Contents Part 1 General Information Safety Precautions Be sure not to do Be sure to follow the instructionPart 1 General Information Inspections after Repair Part 2 Functions & Controls List of Functions & Controls Category Function Description RemarkCooling Mode Basic Mode ControlsHeating Mode Heatpump Only Healthy Dehumidification operation Intake air Temp Setting TempAuto changeover operation Heatpump Only Jet Cool operation Special Mode ControlsEnergy saving operation in cooling mode Jet Heat operation Heatpump OnlyForced operation Auto cleaning operationUtility Functions Heat/pump Model Cooling/only ModelSleep timer operation for cooling cycle Air volume controlSleep mode Auto control Natural Air ControlAuto WindSleep timer operation for heating cycle Heatpump Only Auto restartTwo Minutes Stand-by comp Protection Functions & ControlsFive Seconds Stand-by fan Hot start Heatpump OnlySump Heater Control 9, 12kBtu/h Model Only Heatpump Only Outdoor Temperature Running Time secCompressor Preheating Heatpump Only 1 9,12kBtu/h ModelAutomatic defrost Heatpump Only Starting the defrosting operation 2 18,24,30kBtu/h ModelDefrosting Control Algorithm Control algorithm of defrost completionPower Relay Control InverterOverheating Protection Power Module Heat sink temperature control Heat sink sensor failure errorFunction CT2 control Total Current Control Over Current ProtectionCT1 control Model KBtu/h Cooling Heating11A 12A 14A 15.5A DC Peak control Discharge Pipe Temp ControlInverter Compressor 18,24,30kBtu/h Model There can be two situations Constant Compressor only 30kBtu/h ModelCompressor working 12.2 18, 24, 30kBtu/h Model Low Ambient control12.1 9,12kBtu/h Model Model Mode-in Condition Mode-out ConditionOperating Contion Oil return control30kBtu/h Model Heatpump OnlyOil equalizing control30kBtu/h Model Operation ProcessCheck before Test Run Test Run Flow chart Test Run Detail Part 3 Test RunCheck before Test Run Test Run Flow chart StartSettlement of outdoor unit Pump Down ProcedureTest Run Detail Evaluation of the performancePart 4 Trouble Shooting Way, 3-Way Valve Way Valve Liquid SideAir purging of the charge hose ProcedurePumping Down Set the 2-way valve to the closed positionEvacuation Connect the charge hose to the charging cylinder Mount the valve stem nuts and the service port nutGas Charging After Evacuation Purge the air from the charge hoseCycle Troubleshooting Guide Trouble analysisElectronic Parts Troubleshooting Guide Procedure Specification RemedyTrouble Compressor/Outdoor Fan does not operate 9, 12kBtu/h Model Trouble When indoor Fan does not operate.9~30kBtu/h Model Self-diagnosis Function Error Indicator12kBtu/h Model Error code Descrition 18,24,30kBtu/h Model Indoor ErrorOutdoor Error Red Green StatusError CodeTroubleshooting Guide9,12kBtu/h Model Description Cause of error Heat-sink Temp. is over Description Cause of error DC Peak Error Description Cause of error Over current Error Description Cause of error Indoor fan is locked Description Cause of error Discharge pipe temp. is Troubleshooting CH01, CH02, CH06 Check PointPart Trouble Shooting Troubleshooting CH05, CH53Comp Troubleshooting CH21Copper Comp pipe Troubleshooting CH21, CH22 Troubleshooting CH23, CH28 Troubleshooting CH24, CH25 Troubleshooting CH26, CH27 ‘B’Troubleshooting CH32, CH33, CH40 Troubleshooting CH41, CH44, CH45, CH46, CH47, CH65 Inverter/Constant Troubleshooting CH51, CH60Condenser/Suction Pipe Troubleshooting CH61, CH62 Heat CONTROLLER, INC

VMC12SB-1/VMH12SB-1, VMC18SB-1/VMH18SB-1, VMC24SB-1/VMH24SB-1, VMC09SB-1/VMH09SB-1, VMC30SB-1/VMH30SB-1 specifications

The Heat Controller VMC30SB-1/VMH30SB-1, VMC09SB-1/VMH09SB-1, VMC24SB-1/VMH24SB-1, VMC18SB-1/VMH18SB-1, and VMC12SB-1/VMH12SB-1 are versatile and efficient HVAC systems designed for residential and commercial applications. These units stand out due to their innovative technologies, user-friendly features, and reliable performance, making them an excellent choice for heating and cooling needs.

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