Appendix; Troubleshooting - Samsung AC TNPPEH Series User & Installation Manual

Appendix

Troubleshooting

No. Error Code
Indoor unit communication error
1 E101
(indoor unit cannot receive communication.)
2 E108 Error due to duplicated communication address
Communication error due to incomplete indoor unit
3 E109
address setting
Error on room temperature sensor of indoor unit
4 E121
(Short or Open)
5 E122 Error on EVA IN sensor of indoor unit (Short or Open)
6 E123 Error on EVA OUT sensor of indoor unit (Short or Open)
7 E154 Indoor fan error
8 E162 Indoor unit EEPROM Read/Write error (H/W)
9 E163 Indoor unit EEPROM Read/Write error (Option)
10 E198 Error on thermal fuse of indoor unit (Open)
Communication error between the indoor unit and
outdoor unit (Pre-tracking failure or when the actual
number of indoor units are different from the indoor
unit quantity setting on the outdoor unit)
11 E201
Error due to communication tracking failure after initial
power is supplied (The error occurs regardless of the
number of units.)
Communication error between indoor unit and outdoor
12 E202 unit (When there is no response from indoor units after
tracking is completed)
Communication error between the outdoor unit and main
13 E203 micom (For PF #4 to #6 controllers, error will be determined
from the time when the compressor is turned on.)
14 E221 Error on outdoor temperature sensor (Short or Open)
15 E231 Error on outdoor COND OUT sensor (Short or Open)
Error on discharge temperature sensor of compressor 1
16 E251
(Short or Open)
17 E320 Error on OLP sensor (Short or Open)
18 E403 Compressor down due to freeze protection control
19 E404 System stop due to overload protection control
20 E416 System stop due to discharge temperature
21 E422 Blockage detected on high pressure pipe
22 E425 Reverse phase or open phase
DB68-09343A-00_IBIM_PAC 미라지 이집트파키스탄_IQ_EN.indd 53
Meaning Remarks
Check the communication cable connection between
the indoor unit and the outdoor unit.
Check the DC output voltage at the communication terminal.
Check on repeated indoor unit main address
Check indoor unit's quantity setting in outdoor unit.
Check electrical connection and setting.
Indoor unit Room Thermistor Open/Short
Indoor unit EVA_IN Thermistor Open/Short
Indoor unit EVA_OUT Thermistor Open/Short
Check on indoor unit indoor Fan operation
Check Indoor EEPROM PBA
Check Indoor EEPROM Data
Thermal Fuse Open Check of indoor unit Terminal Block
Check indoor quantity setting in outdoor
Check electrical connection and setting between indoor
unit and outdoor unit
Check electrical connection and setting between
outdoor unit MAIN PBA - INVERTER PBA
Check Outdoor sensor Open / Short
Check Cond-Out sensor Open / Short
Check Discharge sensor Open / Short
Check OLP sensor Open / Short
Check Outdoor Cond.
Check Comp. when it starts
-
1. Check if the service valve is open
2. Check for refrigerant leakage (pipe connections, heat
exchanger) and charge refrigerant if necessary
3. Check if there's any blockage on the refrigerant cycle
(indoor unit/outdoor unit)
4. Check if additional refrigerant has been added after
pipe extension
Check whether 3 phase is reversed or opened.
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2020-07-28 오전 11:08:55