Troubleshooting
Samsung Electronics 4-53
Error Code (cont.)
[Auto inspect new error codes]
No. Code Description
119 E-616 Communication error between interface module and outdoor unit.
120 E-618 The connected indoor units to ERV exceeded 16 units.
121 E-619 Mixed temperature display setting of indoor units which was connected to MWR-WS00. ( Celsius/ Fahrenheit )
122 E-620 Temperature display setting error of MWR-WS00. (Celsius/Fahrenheit )
123 E-621 Option switch setting error of wired remote controller. ( Master / Slave )
124 E-652 Two wired remote controllers were set to the master mode. ( COM 1 wiring )
125 E-653 Room temperature sensor in the wired remote controller. ( Open or Short )
126 E-654 Memory data error in the wired remote controller. (MWR-WS00 )
127 E-701 Floating switch error of indoor unit. ( 1st detection )
128 E-702 EEV closing error of indoor unit. ( 1st detection )
129 E-703 EEV opening error of indoor unit. ( 1st detection )
Code Description
E503 Service valve lock error
E504 Compressor operation failure error
E505 High pressure sensor error
E506 Low pressure sensor error
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