Samsung AM080FXWANR, Service Manual

Page: 78 / 295

Troubleshooting
Samsung Electronics 75
CODE Explanation
E-101 Indoor unit communication error. Indoor unit can not receive any data from outdoor unit.
E-102 Communication error between indoor unit and outdoor unit. Displayed in indoor unit.
E-108 Error due to repeated address setting (When 2 or more devices have same address within the network)
E-109 Incomplete communication error of indoor unit address
E-121 Error on indoor temperature sensor of indoor unit (Short or Open)
E-122 Error on EVA IN sensor of indoor unit (Short or Open)
E-123 Error on EVA OUT sensor of indoor unit (Short or Open)
E-128 EVA IN temperature sensor of indoor unit is detached from EVA IN pipe
E-129 EVA OUT temperature sensor of indoor unit is detached from EVA OUT pipe
E-130 Heat exchanger in/out sensors of indoor unit are detached
E-135 RPM feedback error of indoor unit's cleaning fan
E-149 Error due to AHU master indoor unit sensor setting.
E-151 Error due to opened EEV of indoor unit (2nd detection)
E-152 Error due to closed EEV of indoor unit (2nd detection)
E-153 Error on floating switch of indoor unit (2nd detection)
E-154 RPM feedback error of indoor unit
E-161
Mixed operation mode error of indoor unit; When outdoor unit is getting ready to operate in cooling (or heating)
and some of the indoor unit is trying to operate in heating (or cooling) mode
E-162 EEPROM error of MICOM (Physical problem of parts/circuit)
E-163
Indoor unit's remote controller option input is Incorrect or missing.
Outdo or unit EEPROM data error
E-180 Simultaneous opening of cooling/heating MCU SOL V/V (1st detection)
E-181 Simultaneous opening of cooling/heating MCU SOL V/V (2nd detection)
E-185 Cross wiring error between communication and power cable of indoor unit
E-186 Connection error or problem on SPi
E-190
No temperature changes in EVA IN during pipe inspection or changes in temperature is seen in indoor unit with
wrong address
E-191
No temperature changes in EVA OUT during pipe inspection or changes in temperature is seen in indoor unit
with wrong address
E-198 Error due to disconnected thermal fuse of indoor unit
E-201
Communication error between indoor and outdoor units (installation number setting error, repeated indoor unit
address, indoor unit communication cable error)
E-202
Communication error between indoor and outdoor units (Communication error on all indoor unit, outdoor unit
communication cable error)
غ
Diagnosis and Adjustment (Error Code)
ـ Error code related indoor unit
4-2 Service Operation (cont.)
4-2-3 Number Display Method (Outdoor Unit, MCU, Cable remote control, wall-mount, etc.)