Samsung EHS Mono R32 (air-to-water monobloc)
Samsung · Heat pumps · 52 codes · 33 with plain-language explanation
Guides
- Samsung EHS Mono: what to check yourself and what to leave to service
The manual lists simple user checks and safety rules; the yearly inspection and anything inside the unit are for the installer.
- Samsung EHS Mono: water pressure and the strainer filter
The manual gives the water pressure guidance and explains why the strainer (mesh) filter must be cleaned.
Error codes
- 101 CONTROL KIT / OUTDOOR UNIT wire connection error with plain-language explanation
- 120 Short- or open-circuit error of the room temperature sensor of the Zone 2 indoor unit (detected only when the room thermostat is used) source text only
- 121 Short- or open-circuit error of the room temperature sensor of the Zone 1 indoor unit (detected only when the room thermostat is used) with plain-language explanation
- 162 EEPROM Error source text only
- 198 Error of Terminal Block's Thermal Fuse(Open) source text only
- 201 CONTROL KIT/OUTDOOR UNIT communication error (Matching error) with plain-language explanation
- 202 CONTROL KIT/OUTDOOR UNIT communication error (3 min) with plain-language explanation
- 203 Communication error between INVERTER and MAIN MICOM (6 min) with plain-language explanation
- 221 OUTDOOR UNIT temperature sensor error with plain-language explanation
- 231 Condenser temperature sensor error with plain-language explanation
- 251 Discharge temperature sensor error with plain-language explanation
- 320 OLP sensor error with plain-language explanation
- 403 Detection of OUTDOOR UNIT compressor freezing (During cooling operation) with plain-language explanation
- 404 Protection of OUTDOOR UNIT when it is overload (during Safety Start, Normal operation state) with plain-language explanation
- 407 Comp down due to high pressure with plain-language explanation
- 416 Discharge of a compressor is overheated with plain-language explanation
- 425 Power source line missing error (only for 3-phase model) with plain-language explanation
- 440 Heating operation blocked (outdoor temperature over 35°C) source text only
- 441 Cooling operation blocked (outdoor temperature under 9°C) with plain-language explanation
- 458 OUTDOOR UNIT fan1 error with plain-language explanation
- 461 [Inverter] Compressor startup error with plain-language explanation
- 462 [Inverter] Total current error/PFC over current error with plain-language explanation
- 463 OLP is overheated with plain-language explanation
- 464 [Inverter] IPM over current error with plain-language explanation
- 465 Compressor V limit error source text only
- 466 DC LINK over/low voltage error with plain-language explanation
- 467 [Inverter] Compressor rotation error with plain-language explanation
- 468 [Inverter] Current sensor error source text only
- 469 [Inverter] DC LINK voltage sensor error source text only
- 470 Outdoor unit EEPROM Read/Write Error source text only
- 471 Outdoor unit EEPROM Read/Write Error(OTP error) source text only
- 474 IPM(IGBT Module) or PFCM temperature sensor Error source text only
- 475 OUTDOOR UNIT fan2 error with plain-language explanation
- 484 PFC Overload Error source text only
- 485 Input current sensor error source text only
- 500 IPM is overheated with plain-language explanation
- 554 Gas leak error with plain-language explanation
- 601 Communication error between the CONTROL KIT and wired remote controller with plain-language explanation
- 602 Wired remote controller Main/Sub setting error source text only
- 604 Communication tracking error between the CONTROL KIT and wired remote controller source text only
- 607 Communication error between the Main and Sub wired remote controllers source text only
- 899 Short- or open-circuit error of the Zone 1 water-out temperature sensor source text only
- 900 Short- or open-circuit error of the Zone 2 water-out temperature sensor source text only
- 901 Water inlet (PHE) temperature sensor error(open/short) with plain-language explanation
- 902 Water outlet (PHE) temperature sensor error(open/short) with plain-language explanation
- 903 Water outlet (backup heater) temperature sensor error. with plain-language explanation
- 904 DHW tank temperature sensor error with plain-language explanation
- 906 Refrigerant gas inlet (PHE) temperature sensor (open/short) source text only
- 911 Low flow rate error with plain-language explanation
- 912 Normal flow rate error with plain-language explanation
- 916 Mixing valve sensor error source text only
- 919 Error that the set temperature for disinfection operation is not reached, or, after reaching, the temperature fails to continue for the requested time with plain-language explanation