Samsung AM072FXVAFH series Service Manual page 111

Diagnosis and Adjustment (Error Code)
Error code related to the Communications / Settings / HW
Error mode
Communication error between indoor and outdoor units (installation number setting error,
E-201
repeated indoor unit address, indoor unit communication cable error)
Communication error between indoor and outdoor units (Communication error on all indoor unit,
E-202
outdoor unit communication cable error)
E-203 Communication error between main and sub outdoor units
E-205 Communication error on all PBA within the outdoor unit C-Box, communication cable error
E206-C001: HUB PBA communication error / E206-C002: FAN PBA communication errorE206-C003:
E-206
INV1 PBA communication error / E206-C004: INV2 PBA communication error
E-211 When single indoor unit uses 2 MCU ports that are not in series.
E-212 If the rotary switch (on the MCU) for address setting of the indoor unit has 3 or more of the same address
When total number of indoor units assigned to MCU is same as actual number of installed indoor
E-213
units but there is indoor unit that is not installed even though it is assigned on MCU
When number of MCU is not set correctly on the outdoor unit or when two or more MCU was
E-214
installed some of them have the same address
E-215 When two different MCU's have same address value on the rotary switch
E-216 When indoor unit is not installed to a MCU port but the switch on the port is set to On.
hen indoor unit is connected to a MCU port but indoor unit is assigned to a MCU and the switch on
E-217
the port is set to Off
When there's at least one or more actual number of indoor unit connection compared to number
E-218
of indoor units assigned to MCU
E-219 Error on temperature sensor located on MCU intercooler inlet (Short or Open)
E-220 Error on temperature sensor located on MCU intercooler outlet (Short or Open)
E-221 Error on outdoor temperature sensor of outdoor unit (Short or open)
E-231 Error on COND OUT temperature sensor of main outdoor unit (Short or Open)
E-241 COND OUT sensor is detached
E-251 Error on discharge temperature sensor of compressor 1 (Short or Open)
E-257 Error on discharge temperature sensor of compressor 2 (Short or Open)
E-262 Discharge temperature sensor of compressor 1 is detached from the sensor holder on the pipe
E-263 Discharge temperature sensor of compressor 2 is detached from the sensor holder on the pipe
E-266 Top sensor of compressor 1 is detached
E-267 Top sensor of compressor 2 is detached
E-269 Suction temperature sensor is detached from the sensor holder on the pipe
E-276 Error on top sensor of compressor 1 (Short or Open)
E-277 Error on top sensor of compressor 2 (Short or Open)
E-291 Refrigerant leakage or error on high pressure sensor (Short or Open)
E-296 Refrigerant leakage or error on low pressure sensor (Short or Open)
E-308 Error on suction temperature sensor (Short or Open)
E-311 Error on temperature sensor of double layer pipe/liquid pipe(sub heat exchanger) (Short or Open)
Samsung Electronics
(cont.)
Cause
Troubleshooting
4-15