Errors And Solutions - Samsung RHF025EE Service Manual

9-3 Errors and Solutions

Error codes appear on display of wired remote control and unit body as follows.
No Error Mode
1 E 108 Address setting duplication error
2 E121 Indoor temperature sensor error(SHORT/OPEN)
3 E139 CO2 sensor error(SHORT/OPEN)
4 E162 Indoor EEPROM H/W error
5 E163 Indoor option setting error
6 E198 Thermal fuse open error in power therminal block
7 E202 System down caused by communication error
8 E221 Outdoor temperature sensor error(SHORT/OPEN)
9 E490 Prohibition of operation under outside & indoor temperature 0 °
10 E561 Supply air(SA) fan motor error
11 E562 Exhaust air(EA) fan motor error
12 E654 Inside damper error
602~609 indicate errors due to ERV wired remote control. Refer to the ERV wired remote control installation manual.
9-2
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Error code
Samsung Electronics