Samsung VRF (DVM) Error Codes List With Solutions

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Samsung DVM VRF Error Codes

Samsung Electronics is one of the top companies in the world, not only does the company offer a wide range of appliances – they are regarded to be one of the best in the market. Offering everything from leading smartphones and smart appliances to everyday appliances – they are considered one of the top grade companies in the world. Based in South Korea the multinational electronics company has made a wide impact all over the world.

Today Samsung offers a wide selection of appliances from calculators to air conditioners, both of them with an additional sub-range that covers a wide range of residential and commercial markets. Making sure every single buyer category is well covered when looking for its next appliance or electronics purchase. Additionally, the company has a great grasp on all generations and classes, making sure no buyer slips through the cracks.

Error codes are a common issue you may face with various appliances in your house or workplace. Rather than panicking, we suggest you grab a pen and paper and note down the code rather than pressing various buttons. This can commonly result in prolonging the issue or even causing more issues in the long run. So why risk damaging your appliance any further, when you will be able to find out the exact issue using the common error code list for Samsung VRF error codes listed below. Once you know the exact issue you can easily call in a professional, or fix the issue yourself.

VRF (DVM) Codes

Error code related indoor unit

Error CodesExplanation
E-101Indoor unit communication error. Indoor unit can not receive any data from outdoor unit.
E-102Communication error between indoor unit and outdoor unit. Displayed in indoor unit.
E-108Error due to repeated address setting (When 2 or more devices has same address within the network)
E-121Error on indoor temperature sensor of indoor unit (Short or Open)
E-122Error on EVA IN sensor of indoor unit (Short or Open)
E-123Error on EVA OUT sensor of indoor unit (Short or Open)
E-128EVA IN temperature sensor of indoor unit is detached from EVA IN pipe
E-129EVA OUT temperature sensor of indoor unit is detached from EVA OUT pipe
E-130Heat exchanger in/out sensors of indoor unit are detached
E-135RPM feedback error of indoor unit's cleaning fan
E-149Error due to AHU master indoor unit sensor setting.
E-151Error due to opened EEV of indoor unit (2nd detection)
E-152Error due to closed EEV of indoor unit (2nd detection)
E-153Error on floating switch of indoor unit (2nd detection)
E-154RPM feedback error of indoor unit
E-161Mixed operation mode error of indoor unit; When outdoor unit is getting ready to operate in cooling (or heating) and some of the indoor unit is trying to operate in heating (or cooling) mode
E-162EEPROM error of MICOM (Physical problem of parts/circuit)
E-163Indoor unit's remote controller option input is Incorrect or missing. Outdo or unit EEPROM data error
E-180Simultaneous opening of cooling/heating MCU SOL V/V (1st detection)
E-181Simultaneous opening of cooling/heating MCU SOL V/V (2nd detection)
E-185Cross wiring error between communication and power cable of indoor unit
E-186Connection error or problem on SPi
E-190No temperature changes in EVA IN during pipe inspection or changes in temperature is seen in indoor unit with wrong address
E-191No temperature changes in EVA OUT during pipe inspection or changes in temperature is seen in indoor unit with wrong address
E-198Error due to disconnected thermal fuse of indoor unit

Communication Codes

Samsung DVM VRF
Samsung DVM VRF
Error CodesCause
E-201Communication error between indoor and outdoor units (installation number setting error, repeated indoor unit address, indoor unit communication cable error)
E-202Communication error between indoor and outdoor units (Communication error on all indoor unit, outdoor unit communication cable error)
E-203Communication error between main and sub outdoor units
E-205Communication error on all PBA within the outdoor unit C-Box, communication cable error
E-206E206-C001: HUB PBA communication error / E206-C002: FAN PBA communication errorE206-C003: INV1 PBA communication error / E206-C004: INV2 PBA communication error
E-211When single indoor unit uses 2 MCU ports that are not in series
E-212If the rotary switch (on the MCU) for address setting of the indoor unit has 3 or more of the same address
E-213When total number of indoor units assigned to MCU is same as actual number of installed indoor units but there is indoor unit that is not installed even though it is assigned on MCU
E-214When number of MCU is not set correctly on the outdoor unit or when two or more MCU was installed some of them have the same address
E-215When two different MCU’s have same address value on the rotary switch
E-216When indoor unit is not installed to a MCU port but the switch on the port is set to On.
E-217When indoor unit is connected to a MCU port but indoor unit is assigned to a MCU and the switch on the port is set to Off
E-218When there’s at least one or more actual number of indoor unit connection compared to number of indoor units assigned to MCU
E-219Error on temperature sensor located on MCU intercooler inlet (Short or Open)
E-220Error on temperature sensor located on MCU intercooler outlet (Short or Open)
E-221Error on outdoor temperature sensor of outdoor unit (Short or open)
E-231Error on COND OUT temperature sensor of main outdoor unit (Short or Open)
E-241COND OUT sensor is detached
E-251Error on discharge temperature sensor of compressor 1 (Short or Open)
E-257Error on discharge temperature sensor of compressor 2 (Short or Open)
E-262Discharge temperature sensor of compressor 1 is detached from the sensor holder on the pipe
E-263Discharge temperature sensor of compressor 2 is detached from the sensor holder on the pipe
E-266Top sensor of compressor 1 is detached
E-267Top sensor of compressor 2 is detached
E-269Suction temperature sensor is detached from the sensor holder on the pipe
E-276Error on top sensor of compressor 1 (Short or Open)
E-277Error on top sensor of compressor 2 (Short or Open)
E-291Refrigerant leakage or error on high pressure sensor (Short or Open)
E-296Refrigerant leakage or error on low pressure sensor (Short or Open)
E-308Error on suction temperature sensor (Short or Open)
E-311Error on temperature sensor of double layer pipe/liquid pipe(sub heat exchanger) (Short or Open)
E-321Error on EVI (ESC) IN temperature sensor (Short or Open)
E-322Error on EVI (ESC) OUT temperature sensor (Short or Open)
E-323Error on suction sensor 2 (Short or Open)
E-346Error due to operation failure of Fan2
E-347Motor wire of Fan2 is not connected
Samsung DVM
Samsung DVM
Error CodesCause
E-348Lock error on Fan2 of outdoor unit
E-353Error due to overheated motor of outdoor unit's Fan2
E-355Error due to overheated IPM of Fan2
E-361Error due to operation failure of inverter compressor 2
E-364Error due to over-current of inverter compressor 2
E-365V-limit error of inverter compressor 2
E-366Error due to over voltage /low voltage of inverter PBA2
E-367Error due to unconnected wire of compressor 2
E-368Output current sensor error of inverter PBA2
E-369DC voltage sensor error of inverter PBA2
E-374Heat sink temperature sensor error of inverter PBA2
E-378Error due to overcurrent of Fan2
E-385Error due to input current of inverter 2
E-386Over-voltage/low-voltage error of Fan2
E-387Hall IC connection error of Fan2
E-389V-limit error on Fan2 of compressor
E-393Output current sensor error of Fan2
E-396DC voltage sensor error of Fan2
E-399Heat sink temperature sensor error of Fan2
E-400Error due to overheat caused by contact failure on IPM of Inverter PBA2
E-407Compressor operation stop due to high pressure protection control
E-410Compressor operation stop due to low pressure protection control or refrigerant leakage
E-416Compressor operation stop due to discharge temperature protection control
E-425Phase reversal or phase failure (3Ø outdoor unit wiring, R-S-T-N ), connection error on 3 phase input
E-428Compressor operation stop due abnormal compression ratio
E-438EVI (ESC) EEV leakage or internal leakage of intercooler or incorrect connector insertion of EVI (ESC) EEV
E-439Error due to refrigerant leakage
E-440Heating mode restriction due to high air temperature
E-441Cooling mode restriction due to low air temperature
E-442Refrigerant charing restriction in heating mode when air temperature is over 15 °C
E-443Operation prohibited due to low pressure
E-445CCH is deatched
E-446Error due to operation failure of Fan1
E-447Motor wire of Fan1 is not connected
E-448Lock error on Fan1
E-452Error due to ZPC detection circuit problem or power failure
E-453Error due to overheated motor of outdoor unit's Fan1
E-455Error due to overheated IPM of Fan1
E-461Error due to operation failure of inverter compressor 1
Samsung DVM Digital Variable Multi VRF Fault Codes
Samsung DVM Digital Variable Multi VRF Fault Codes
Error CodesCause
E-462Compressor stop due to full current control or error due to low current on CT2
E-464Error due to over-current of inverter compressor 1
E-465V-limit error of inverter compressor 1
E-466Error due to over voltage /low voltage of inveter PBA1
E-467Error due to unconnected wire of compressor 1
E-468Output current sensor error of inverter PBA1
E-469DC voltage sensor error of inver PBA1
E-474Heat sink temperature sensor error of inverter PBA1
E-478Error due to overcurrent of Fan1
E-485Error due to input current of inverter 1
E-486Error due to over voltage/low voltage of Fan
E-487Hall IC error of Fan1
E-489V-limit error on Fan1 of compressor
E-493Output current sensor error of Fan1
E-496DC voltage sensor error of Fan1
E-499Heat sink temperature sensor error of Fan1
E-500Error due to overheat caused by contact failure on IPM of Inverter PBA1
E-503Error due to alert the user to check if the service valve is closed
E-504Error due to self diagnosis of compressor operation
E-505Error due to self diagnosis of high pressure sensor
E-506Error due to self diagnosis of low pressure sensor
E-560Outdoor unit's option switch setting error (when iinappropriate option switch is on)
E-563Error due to module installation of indoor unit with old version (Micom version needs to be checked)
E-573Error due to using single type outdoor unit in a module installation
E-702Error due to closed EEV of indoor unit (1st detection)
E-703Error due to opened EEV of indoor unit (1st detection)
E-901EHS water in sensor (Short or Open)
E-902EHS water out sensor (Short or Open)
E-904EHS water tank sensor (Short or Open)
E-907EHS freezing protection error
E-908EHS freezing protection error (EHS reoperatable)
E-909EHS freezing protection error (EHS not reoperatable)
E-910EHS water out sensor detached
E-911EHS flow switch error
E-913EHS flow switch error (6th detection)(EHS not reoperatable)
E-914EHS thermostat detached
E-915EHS radiating fan unoperate error
UPAuto Trial Operation incompleted (UnPrepared)

RAC and FJM Fault Codes

Samsung Air Conditioning Systems ~ FJM (Free Joint Multi) and RAC Operation;

Samsung RAC and FJM Fault Codes
Samsung RAC and FJM Fault Codes

The table below give indication about self diagnostic routine. Some of error code requires activities exclusively for Authorise Service Center.

Wired Remote Controller Codes

Error CodeContents-Measure
101Indoor unit communication error. Check the communication cable of indoor unit. Check the DC output voltage at the communication terminal.
108Duplicated addresssetting error. Check addresssetting of Indoor units
109No response error address from indoor unit. Check indoor unit's quantity setting in outdoor unit. Check electriacl connection and setting.
121Indoor temperature sensor (open/short error). Check indoor unit room temperature sensor. Check indoor unit PCB connector CN41. (White)
122Indoor unit Eva In sensor (Open/Short). Check indoor unit pipe sensor. Check indoor PCB connector CN41.(White)
153Indoor floating switch secondary detection. Check indoor unit floatsensor. Check indoor PCB connector CN5. (black)
202Indoor/outdoor communication error (1 min). Check the communication connection between indoor and outdoor units. Check the power line and communication cable connection status
203Communication error between indoor/outdoor INVlMAIN MICOM (1 min). Check MAIN MICOM . Check INVERTER MICOM.
221Outdoor temperature sensor error. Check sensor connection status. Check sensor location. Check sensor resistance
231COND temperature sensor error. Check sensor connection status. Check sensor location. Check sensor resistance.
251[Inverter] Emission temperature sensor error. Check sensor connection status. Check sensor location. Check sensor resistance.
403Detection of Indoor Freezing (when Comp. Stops). Check whether the indoor unit air intake is blocked. Check the operation of the indoor fan.
404Protection of Outdoor Overload (when Comp. Stops). Check sensor connection status. Check sensor location. Check sensor resistance
416Emission temperature excessively high. No error. (DISCHARGE temperature control)
422High pressure blockage error (Refrigerant completely Leakage error). Check whether the outdoor unitservice valve is open. Check the connection of the pipes. Check the operation of the EEV. Check for refrigerant leakage. (Completely leakage).
440Heating operation blocked. Check the operation setting state. Check temperature sensor.
441Cooling operation blocked. Check the operation setting state . Check temperature senso.
458Outdoor fan 1 error. Check input power connection status. Check the connection status between the motor and outdoor unit PCB. Check indoor/outdoor fuse.
461[Inverter] Compressorstartup error. Check the compressor connection status. Check the resistance between difference phases of the compressor
462[Inverter] Total current error/ PFC over current error. Check the input power Check the coolant charging status Check the normal operation of outdoor fan
463OLP Overheat and Comp. Stop. Reconfirm the opening of the service valve. Check for leaksfrom the connection part of the pipe and product or from the pipe joint. Change the outdoor unit location and direction. Refill the coolant after checking the leaking part. Reinstall the outdoor unitset.
464[Inverter] IPM over current error. Check coolant charging Check the compressor connection status and normal operation Check the obstacles around the indoor and outdoor units Check whether the outdoor unitservice valve is open Check whether the indoor/outdoor installation pipe/ wiring are correct
465Compressor V limit error. Check the compressor connection status Check the resistance between difference phases of the compressor
466DC LINK over/low voltage error. Check input power Check AC power connection
467[Inverter] Compressor rotation error. Check the compressor connection status Check the resistance between difference phases of the compressor
468[Inverter] Currentsensor error. Check EEPROM DATA Check the normal operation of PCB
469[Inverter] DC LINK voltage sensor error. Check the input power connection Check the status of RY21 and R200 in the INVERTER PCB
470EEPROM Read/Write error
471[Inverter] OTP error. Check EEPROM DATA Check the normal operation of PCB
472AC ZERO CROSSING SIGNAL OUT error. Check the input powerstatus
473Compressor LOCK error. Check the compressor connection status Check the resistance between difference phases of the compressor
475Outdoor fan 2 error. Check the input power connection status Check the connection status of the motor and the outdoor unit PCB Check the indoor/outdoor unit fuse
500IPM Overheat Error for Outdoor Unit Inverter Comp. Change the location of the outdoor unit if the temperature is abnormally high when the heatproof plate is checked. Reconnect the screws. Replace the outdoor unit fan. Replace the PBA of the outdoor unit
554Gas leak error. Check the coolant charging status Check the indoor EVA sensor Check if the outdoor unitservice value is open Check that the indoor/outdoor installation pipe/wiring are correct
556Capacities not matched. Check the option code of the indoor unit
601Communication error between the indoor unit and wired remote controller. Check the connection wire between the indoor unit and the wired remote controller
602Communication error between the Master and Slave wired remote controllers. Check the option switch for defining the Master and Slave (only one Master and one Slave can exist)
606COM1/COM2 crossinstallation error. Check that wired remote controller is connected to the COM2 terminal of the indoor unit
EAWired remote controller COM2 option setting error. Check that Com1, Com2 setting DIP switch isset to Com2
Samsung RAC and FJM Fault Codes
Samsung RAC and FJM Fault Codes

Outdoor Unit Codes

Error Code is for reference (S-net), not display on the HUB PCB of Outdoor unit

Error CodeExplanation
E190Pipe inspection error
E199Error of non-performed installation-test-operation
E201The number of indoor unit mismatched
E202Communication errer between the outdoor and indoor unit
E203Outdoor communication error between main micom and inverter micom
E206Outdoor communication error beween main micom and hub micom
E221Outside temperature sensor error (Short/Open)
E237Condenser temperature sensor error (Short/Open)
E251Compressor Discharge temperature sensor error (Short/Open)
E320Compressor OLP sensor error (Short/Open)
E330EvaIn1 Sensor error (Short/Open)
E331EvaIn2 Sensor error (Short/Open)
E332EvaIn3 Sensor error (Short/Open)
E333EvaIn4 Sensor error (Short/Open)
E334EvaIn5 Sensor error (Short/Open)
E335EvaOut1 Sensor error (Short/Open)
E336EvaOut2 Sensor error (Short/Open)
E337EvaOut3 Sensor error (Short/Open)
E338EvaOut4 Sensor error (Short/Open)
E339EvaOut5 Sensor error (Short/Open)
E401Outdoor unit freezing - Safety control (Compressor stop)
E404Outdoor unit overload - Safety control (Compressor stop)
E440High temperature(over 30°C) or low temperature(under -10C) of outdoor as heating mode
E441Low temperature(under -10°C) of outdoor as cooling mode
E416Outdoor unit high discharge temperature - Safety control (Compressor stop)
E458Outdoor Fan Error
E461Inverter compressor starting failure (5 times)
E462Compressor trip by input current control mode (PFC over current)
E463Compressor trip by OLP temperature control mode
E464DC Peak system error (Over current)
E465Compressor Vlimit Error
E466Inverter DC link Voltage error (under 150V, over 410V)
E483H/W Detect DC Link over voltage Error
E467Abnormal compressor running (Compressor Rotation Error)
E468Current sensor error (Short/Open)
E469DC-Link valtage sensor error (Short/Open)
E488Error of the input current sensor
E470Outdoor unit EEPROM Error
E471Inverter micom option read/write error
E474Inverter IPM Heat Sink sensor error (Short/Open)
E485Inverter input current sensor error (Short/Open)
E484PFC Overload error (Over current)
E500Inverter IPM over heat error
E554The refrigerant leaks completely from the outdoor unit

Manual Pdf

Samsung DVM Digital Variable Multi VRF Service Manual PDF

 Samsung AC Error Codes

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