Troubleshooting
Samsung Electronics12-50
Error No.(Ordered by priority)
Error of room temperature sensor(Open or Short)
Error of evaporator in sensor in indoor unit(Open or Short)
Error of evaporator out sensor in indoor unit(Open or Short)
Breakaway of indoor unit evaporator in sensor
Breakaway of indoor unit evaporator out sensor
Breakaway of evaporator in and evaporator out sensors in indoor unit
Open error of electronic expansion valve in indoor unit(2nd)
Close error of electronic expansion valve in indoor unit(2nd)
Detach of indoor unit float s/w(2nd)
Mismatching of the indoor unit numbers set with those communicated after completion of tracking
System down caused by communication error after completion of tracking
Error of outdoor temperature sensor(Open or Short)
Error of condenser mid temperature sensor(Open or Short)
Error of condenser out temperature sensor(Open or Short)
Breakaway of condenser mid temperature sensor in outdoor unit
Breakaway of condenser out temperature sensor in outdoor unit
Error of discharge temperature sensor(Open or Short)
Breakaway of discharge temperature sensor in outdoor unit
Compressor down due to frozen evaporator of indoor unit
High temperature of discharge(Protection control)
Reverse phase error(Protection control)
Over 30˚C when heating
Below -5˚C when cooling
Over 15˚C when charging refrigerant by heating mode
High temperature of condenser(Protection control)
Low pressure switch(Protection control)
Voltage dip error
In removing frost
Total leakage of refrigerant in outdoor unit/loading failure
Recovery of oil
Open error of electronic expansion valve in indoor unit(1st)
Close error of electronic expansion valve in indoor unit(1st)
Stop operation the unit when the crank case heater is being heated
Error Meaning
4. Mini DVM Series
✳ THE ORDER OF PRIORITY
• E202 ➔ 201 ➔ VIEW MODE DISPLAY ➔ 416 ➔ 450 ➔ 401 ➔ 425 ➔ 451 ➔ 551 ➔ 555 ➔ 452 ➔ 554 ➔ 221 ➔ 251 ➔ 231 ➔ 237 ➔ 441 ➔
440 ➔ 442 ➔ 261 ➔ 153 ➔ 241 ➔ 246 ➔ 151 ➔ P703 ➔ 152 ➔ P702 129 ➔ 128 ➔ 130 ➔ 121 ➔ 122 ➔ 123 ➔ CH
• In case that the same error displays from multi-indoor units, the one having the faster address has the priority.
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