Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Samsung AQN36VFUAGM/CV
Summary of Contents for Samsung AQN36VFUAGM/CV
- Page 1 SYSTEM AIR CONDITIONER INDOOR UNIT Basic Model : AQN36VFUAGM/CV Model Code: AC100MNTDEH/EU AC100MNTCEH/EU AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. PCB Diagram 6. Wiring Diagram 7. Reference Sheet...
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Page 2: Table Of Contents
4-4-8 Compressor wire missing error/rotation error ................4-31 4-4-9 O.C(Over Current) error ........................4-32 4-4-10 DC_link voltage sensor error ......................4-33 4-4-11 DC_link voltage under/over error, Over voltage protection error/PFC over load ..4-34 4-4-12 DC_link voltage sensor error ......................4-35 Samsung Electronics... - Page 3 4-4-19 Capacity miss match error ....................... 4-42 4-4-20 Gas leak error ............................4-43 15. PCB Diagram ............................. 5-1 Indoor Unit ............................16. Wiring Diagram ..........................6-1 Indoor Unit ............................7. Reference Sheet ..........................7-1 Index for Model Name ........................7-2 Refrigerating Cycle Diagram ......................Samsung Electronics...
- Page 4 Check whether the installation location is at least two meters away from other electronic products such as TV, video, or audio. – Otherwise, the video quality might be degraded or noise might be generated. Do not let end users repair the products themselves. – Unauthorized disassembly might cause electric shock or fire. Samsung Electronics...
- Page 5 – Release the high pressure and low pressure valve caps. – Close the high pressure valve completely using an L-wrench – After about two minutes, close the low pressure valve completely. – Stop running the air conditioner. – Separate the connecting pipe. Samsung Electronics...
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Page 6: The Feature Of Product
With the advanced BLDC inverter technology, it makes a room cool with highly energy saving and arises the efficiency of air conditioner. Long Ambient Operation(In Low Temperature) It can arise the reliability and the capacity of the air conditioner, especially operated in low temperature. Eco-friendly Product(Lead-Free, ROHS, WEEE) Easy installation of ultra-lightweight indoor unit Samsung Electronics... -
Page 7: Product Specifications
In case of strongest air (Cooling/ Indoor unit dB(A) 55/55 55/55 blow Heating) Refrigerant (R410A) 3,000 2,900 Liquid 9.52 9.52 Connecting Pipe 15.88 15.88 Additional Refrigerant (R410A) Standard Extension length(Total) Extension length(Elevation) Product 01107F-193580-27646C-3B2700 01127F-193580-276470-3B2708 Option Option Code Installation 020000-100000-200100-300000 020000-100000-200100-300000 Option Samsung Electronics... -
Page 8: Accessories
Remote Control DB93-15882H (AC100MNTCEH/EU) Batteries for Remote Control 4301-000121 DB68-06495A (AC100MNTDEH/EU) USER MANUAL DB68-06253A (AC100MNTCEH/EU) DB68-06496A Essential Offer (AC100MNTDEH/EU) (Indoor Unit) INSTALLATION MANUAL DB68-06254A (AC100MNTCEH/EU) Remote Control Holder DB61-06087A M4 x 16 Tapped Screws 6002-000234 CARD WARRNATY DB68-02596B Samsung Electronics... -
Page 9: Disassembly And Reassembly
3. Disassembly and Reassembly Necessary Tools Item Remarks +SCREW DRIVER MONKEY SPANNER Samsung Electronics... -
Page 10: Indoor Unit
FRONT. (use + Screw Driver) 4) Loosen connector wire(white) and detach the temperature sensor wire . 5) To detach the FRONT-PANELthe main frame, unfasten 2 screw at the bottom.(use + Screw Driver ) 6) Take off the FRONT-PANEL,lifting up the bottom Samsung Electronics... - Page 11 3) To detach TRAY-DRAIN from the main frame , pull the bottom of the TRAY-DRAIN towards you. CONTROL IN 1) Unfasten the earth screw.(use + ScrewDriver) 2) Detach the temperature sensor and Humidity sensor. 3) Detach the temperature sensor. Samsung Electronics...
- Page 12 (use + Screw Driver) 1) Loosen the STEP UP/DOWN connector(CN802). Caution: When you separate the connector, pull pressing the locking button. 2) Loosen the FUSE CHK connector (CN140). Caution: When you separate the connector, pull pressing the locking button. Samsung Electronics...
- Page 13 5) Loosen the DISPLAY connector. (CN501). Caution: The terminal is locking type. So, when you separate terminals, pull pressing the button. 6) Loosen the POWER connector. Caution: When you separate the connector, pull pressing the locking button. Samsung Electronics...
- Page 14 9) Take off the main PBA from the ASS’Y Control in. Caution: When you take off the PBA, don’t touch the components. Please hold the PBA both side. EVAPORATOR 1) Unfasten the screw at the right side. (use + ScrewDriver) Samsung Electronics...
- Page 15 3) Detach the HOLDER PIPE. (use + Screw Driver) 4) Detach the BRACKET-EVAP. (use + Screw Driver) 5) Detach the HOLDER EVAP. (use + Screw Driver) 6) Loosen 1 fixing earth screw right side. (use + Screw Driver) Samsung Electronics...
- Page 16 3) unfasten the screw a little and pull the MOTOR FAN to the right side. (use + Screw Driver) 4) Loosen 1 fixing screws of HOLDER-FAN.(use + Screw Driver) 5) unfasten the screw a little.(use + Screw Driver) Samsung Electronics...
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Page 17: Troubleshooting
Remove the batteries from the remote control, and then insert them again. b While holding down the (High Temp) and (Low Temp) buttons simultaneously, insert the batteries into the remote control. c Make sure that you are entered to the mode for setting the options: Samsung Electronics... - Page 18 Set the SEG8 value by pressing the (High Fan) button repeatedly until the value you want to set appears on the remote control display. When you press the (Low Fan) or (High Fan) button, values appear in the SEG8 following order: Samsung Electronics...
- Page 19 (Mode) button. Auto and Off appear on the remote control display. 11 Set the SEG14 and SEG15 values: a Set the SEG14 value by pressing the (Low Fan) button repeatedly until the value you want to set appears on the remote control display. SEG14 Samsung Electronics...
- Page 20 When you press the (Low Fan) or (High Fan) button, values appear in the SEG20 following order: 5 Press the (Mode) button. Fan and Off appear on the remote control display. Samsung Electronics...
- Page 21 Make sure that this command is received by the indoor unit. When it is successfully received, you can hear a short sound from the indoor unit. If the command is not received, press the (Power) button again. Samsung Electronics...
- Page 22 Group channel Function Page Setting RMC address Group address (x16) Indication Details Indication Details Indication Details Indication Details Reserved Reserved No RMC Indication address and details RMC1 0 to 2 RMC2 0 to F RMC address setting mode Samsung Electronics...
- Page 23 Function Page Mode temperature control fan RPM sensor Indication Details Indication Details Indication Details Indication Details Indication Details Disuse (recessed installation) Disuse Disuse High-ceiling Reserved mode (recessed Indication installation) and details Disuse (exposed installation) High-ceiling mode (exposed installation) Samsung Electronics...
- Page 24 Cycle time of Function Page remote control compensation Swing Indication Details Indication Details Indication Details Indication Details 0 or 1 Indoor 1 Default seconds Reserved Reserved (default) Indication and details Indoor 2 2°C seconds Indoor 3 5°C seconds Indoor 4 Samsung Electronics...
- Page 25 Example: Changing the Buzzer control (SEG17) option of the installation options to 1 disuse. Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Tens position Units position Option mode to Function Page Mode of the option of the option New value change number number Indication Samsung Electronics...
- Page 26 14. Simultaneous opening of cooling/heating MCU SOL valve E180 (1st detection) 15. Simultaneous opening of cooling/heating MCU SOL valve E181 (2nd detection) Other outdoor unit self-diagnosis error that is not on the above list EEPROM error E162 EEPROM option error E163 4-10 Samsung Electronics...
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Page 27: Troubleshooting For Outdoor Unit
Check whether 3 phase is reversed or opened. E425 Heating operation restricted at outdoor temperature over HEATING E440 Theat_high value Cooling operation restricted at outdoor temperature below COOLING E441 Tcool_low value Fan speed error FAN1 ERROR E458 Samsung Electronics 4-11... - Page 28 Smart install is not installed E508 Gas leak detected Check the refrigerant E554 Error due to mismatching capacity of indoor and outdoor unit Check the indoor and outdoor unit capacity E556 Inverter EEPROM Checksum error E590 Inverter Boot Code error E660 4-12 Samsung Electronics...
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Page 29: Troubleshooting By Symptoms
In this case, is the resistance 8.300 value out of range in the temperature table on the right? 10.00 12.10 Indoor temperature sensor 14.70 failure (replace) 18.00 Restart the system after replacing the PCB 22.00 28.30 33.90 42.30 Samsung Electronics 4-13... -
Page 30: Indoor Heat Exchanger Temperature Sensor (Open/Short)
In this case, is the resistance 8.300 value out of range in the temperature table on the right? 10.00 12.10 Failure of the indoor heat 14.70 exchanger temperature sensor (replace) 18.00 Restart the system after replacing the PCB 22.00 28.30 33.90 42.30 4-14 Samsung Electronics... -
Page 31: Indoor Fan Error
PCB? Connect the connector to PCB and restart the unit Is there foreign substance stuck in the motor fan? Remove the foreign substance and restart the unit Replace the PCB and restart the unit Samsung Electronics 4-15... -
Page 32: Communication Error After Finishing Tracking
PCB and replace the PCB Reconnect the cable connecting the outdoor unit to the indoor unit and restart the unit. If the communication still doesn’t work, replace the indoor unit PCB. Good +0.7V -0.7V 4-16 Samsung Electronics... -
Page 33: Indoor Unit Float Sensor Error
Is the terminal voltage around AC 220V? Is the water level in drain pan decreasing? Replace the drain pump Replace the indoor unit PCB Normal operation • F loat sensor error is cleared only Replace the drain pump when the indoor power is reset Samsung Electronics 4-17... -
Page 34: Eeprom Circuit Failure
EEPROM component failure, EEPROM circuit parts missing/damaged/soldering failure Are the EEPROM circuit components in good conditions? (missing components / damage / soldering failure) Replace the PCB if the restart fails Restart the unit after replacing the PCB 4-18 Samsung Electronics... - Page 35 Is the voltage between Replace the inverter PBA the terminal 2 (~) and 4 (~) of the bridge diode 220V? Is the fuse connected? Replace the fuse Replace the inverter PBA Is the resistance value of R001 200Ω? Cont. Samsung Electronics 4-19 4-19...
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Page 36: Outdoor Unit Is Not Powered On
Outdoor unit is not powered on – Initial diagnosis (cont.) Cont. Is the reactor connector Connect the reactor connected correctly? Replace the PBA. 4-20 Samsung Electronics... -
Page 37: Communication Error
Is the power is normal? Exchange the PBA of no power unit (check the LED Lamp Exchange the indoor unit PBA. Terminate the service. Is the communication error occurred again? Exchange the outdoor unit PBA. Samsung Electronics 4-21... -
Page 38: Outdoor Temperature Sensor Error
Connect the sensor to PBA connector (6pin) supply power and measure the voltage of #1-#2 in the connector Exchange the PBA of no power unit Below 0.5V or Over 4.5V? Micom error or connector check Exchange the Outdoor PBA 4-22 Samsung Electronics... - Page 39 Connect the sensor to PBA connector (4pin) supply power and measure the voltage of #1-#2 in the connector Exchange the PBA of no Ourdoor PBA Below 0.5V or Over 4.5V? Micom error or connector check Exchange the Outdoor PBA Samsung Electronics 4-23...
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Page 40: Outdoor Coil Temperature Sensor Error
40°C - 5.83kohm Connect the sensor to PBA connector (6pin) supply power and measure the voltage of #5-#6 in the connector Exchange the Outdoor PBA Below 0.5V or Over 4.5V? Micom error or connector check Exchange the Outdoor PBA 4-24 Samsung Electronics... - Page 41 40°C - 5.83kohm Connect the sensor to PBA connector(4pin) supply power and measure the voltage of #3-#4 in the connector Exchange the Outdoor PBA Below 0.5V or Over 4.5V? Micom error or connector check Exchange the Outdoor PBA Samsung Electronics 4-25...
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Page 42: Outdoor Discharge Temperature Sensor Error
40°C - 115kohm Connect the sensor to PBA connector (6pin) supply power and measure the voltage of #3-#4 in the connector Exchange the Outdoor PBA Below 0.5V or Over 4.5V? Micom error or connector check Exchange the Outdoor PBA 4-26 Samsung Electronics... - Page 43 40°C - 115kohm Connect the sensor to PBA connector(4pin) supply power and measure the voltage of #3-#4 in the connector Exchange the Outdoor PBA Below 0.5V or Over 4.5V? Micom error or connector check Exchange the Outdoor PBA Samsung Electronics 4-27...
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Page 44: Outdoor Discharge Over Temperature Error
Restart after power off Is the discharge over temperature sensor error Terminate the service appeared again? Download the EEPROM data Is the discharge over temperature sensor error Terminate the service appeared again? Exchange the Outdoor PBA Exchanged the Compressor 4-28 Samsung Electronics... -
Page 45: Outdoor Fan Motor Error
Is the voltage of CN901 #3-#5 and #3-#6 with in Exchange the Outdoor PBA 1Vdc~15Vdc during the operation? PBA problem or Motor problem Change the PBA first and check the operation Exchange the Fan motor Samsung Electronics 4-29... -
Page 46: Compressor Starting Error
Connect the comp wire normally Is the connection of compressor wire is normal? Download the EEPROM data Is the restart error occurred again? Terminate the service Is the compressor body and interphase Exchange the Outdoor PBA resistance insulated? Exchanged the Compressor 4-30 Samsung Electronics... -
Page 47: Compressor Wire Missing Error/Rotation Error
Connect the comp wire normally Is the connection of compressor wire is normal? (PBA and Compressor) Is the restart error occurred again? Terminate the service Is the compressor body and interphase Exchange the Outdoor PBA resistance insulated? Exchanged the Compressor Samsung Electronics 4-31... -
Page 48: Over Current) Error
Terminate the service occurred again? Correct the sensor position or exchange the Is the position of temperature sensor and sensor sensing value normal? Is the compressor body and interphase Exchange the Outdoor PBA resistance insulated? Exchanged the Compressor 4-32 Samsung Electronics... -
Page 49: Dc_Link Voltage Sensor Error
Normal range(280Vdc~320Vdc) Is the DC_link sensing voltage(R104 or R004) is normal in Exchange the Outdoor PBA operation mode? Normal range (0.2Vdc~2.8Vdc) Exchange the Outdoor PBA Is the reactor insulation damaged? Exchange the Reactor Samsung Electronics 4-33... -
Page 50: Dc_Link Voltage Under/Over Error, Over Voltage Protection Error/Pfc Over Load
Check the input power mode? Normal range(280Vdc~320Vdc) Is the DC_link sensing voltage(R104 or R004) is normal in Exchange the Outdoor PBA operation mode? Normal range (0.2Vdc~2.8Vdc) Exchange the Outdoor PBA Is the reactor insulation damaged? Exchange the Reactor 4-34 Samsung Electronics... -
Page 51: Dc_Link Voltage Sensor Error
Correct the sensor position or exchange the Is the position of temperature sensor and the sensing value sensor normal? Is the connection cable for the compressor and Correct the cable connection power terminal normal? Exchange the Outdoor PBA Samsung Electronics 4-35... -
Page 52: Current Sensor Error/Input Current Sensor Error
3) Is there no short or open around IC451(PF2) or IC451,IC452(PF3)? 2. Troubleshooting procedure Restart after power off. Exchange the Outdoor PBA Is the PFC shunt and IPM shunt resistance value correct? Terminate the service Is the current sensor error appeared again? Exchange the Outdoor PBA 4-36 Samsung Electronics... -
Page 53: Heatsink Sensor Error/Heatsink Over Heat
4) Is the cover assembly in control-box normal? 2. Troubleshooting procedure Restart after power off. Fastening the screw Are there screws in PBA-heatsink? (4 screws) Check the fan connection Is the fan operation normal? Change the Fan motor Exchange the Outdoor PBA Samsung Electronics 4-37... -
Page 54: Comp Vlimit Error/Comp Current Limit Error
Terminate the service again? Is the position of temperature sensor and Correct the sensor position or exchange the sensing value normal? sensor Is the compressor body and interphase Exchange the Outdoor PBA resistance insulated? Exchange the Outdoor PBA 4-38 Samsung Electronics... -
Page 55: Eeprom Error/Otp Error
3) Did you download or insert EEPROM IC, after changing outdoor PBA? 2. Troubleshooting procedure power off and download EEPROM data (or. Insert the service EEPROM IC) Restart after power off Terminate the service Is the error appeared again? Exchange the Outdoor PBA Samsung Electronics 4-39... -
Page 56: Ac Zero Cross Signal Error
1) Check the power condition at customer's house (Is there any power noise?) 2) Have been there power failure? 2. Troubleshooting procedure Restart after power off Is the AC line zero cross signal error appeared Terminate the service again? Exchange the Outdoor PBA 4-40 Samsung Electronics... -
Page 57: Operation Condition Secession Error
* Heating mode * * Cooling mode * Is the outdoor temperature over 40°C or under Is the outdoor temperature under °C? -30°C? The temperature condition is too poor to operate. Wait until temperature is changed Samsung Electronics 4-41... -
Page 58: Capacity Miss Match Error
Reset the option code again at indoor unit Is the capacity miss match error appeared Terminate the service again? Download the EEPROM data Terminate the service Is the capacity miss match error appeared again? Exchange the Outdoor PBA Exchange the Indoor PBA 4-42 Samsung Electronics... -
Page 59: Gas Leak Error
Is the EEV valve is operation? Change the EEV valve Check the sound of EEV valve after power on. Check the pipe crack. Is the pressure of refrigerant normal? Fill up the refrigerant. Exchange the Indoor PBA Exchange the Outdoor PBA Samsung Electronics 4-43... -
Page 60: Pcb Diagram
5. PCB Diagram 5-1 Indoor Unit MAIN PCB Samsung Electronics... - Page 61 #1~2 : COMMUNICATION SIGNAL #3~4 : SUB PBA SIGNAL #5 : EXTERNAL CONTROL SIGNAL #6 : COMP CHECK SIGNAL #7 : ERROR CHECK SIGNAL #8 : DC 5V #9 : GND #10 : DC 12V #11~14 : COMMUNICATION SIGNAL Samsung Electronics...
- Page 62 Sub PCB ① CN1-2WIRES COMM. #1,#2,#19,#20:COMM. SIGNAL #3,#18:EXTERNAL CONTROL #4,#17:COMP CHECK #5,#16:ERROR CHECK #6:VCC(DC5V) #7,#14:GND #8,#13,#15:DC12V #9~#12:COMM. SIGNAL Samsung Electronics...
- Page 63 6. Wiring Diagram 6-1 Indoor Unit This Document can not be used without Samsung’s authorization. Samsung Electronics...
- Page 64 PACK MULTI RAC-Vivace AIR HANDIING UNIT DVM HOME AIR HANDLING UNIT SINGLE HYDRO UNIT MULTI HYDRO UNIT MONO HYDRO UNIT WATER TANK FLAT ※ "/" can be removed from the buyer card if there are not enough digits. STAND Samsung Electronics...
- Page 65 You can open the valve by turning the need valve counterclockwise using hex wrench, and it is used for vacuum, gas purging, coolant injection, coolant purging, and indoor-outdoor unit connection. ■ ACCUMULATOR Accumulator prevents the flow of liquid-state coolant into the compressor. (Liquid-state coolant flowing into the compressor will overload the compressor.) Samsung Electronics...
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Page 66: Samsung Electronics
This Service Manual is a property of Samsung Electronics Co., Ltd. © Samsung Electronics Co., Ltd. Jun. 2016. Any unauthorized use of Manual can be punished under applicable Printed in China. International and/or domestic law.