Auto Address Setting - Samsung AR07TSFABWKN Service Manual

Troubleshooting

- Auto address setting

Q1
Outdoor unit fails to search indoor units or to check
Analysis
indoor address.
Whether The gas and liquid pipes are crossed with
Step 1
each other, check to connecting.
Check to indoor unit's sensor being connected in
Step 2
proper location.
Check to indoor unit's sensor being connected in
Step 3
proper location.
During the pipe checking operation , system check temperature change of indoor Heat exchanger.
Guidance In case, indoor sensor defect, EEV coil connector detach, malfunction of EEV, Leakage of Refrigerant,
and etc can make this case.
- Address setting another case
Q1
This problem is caused by outdoor unit's communi-
Analysis cation part trouble or indoor units power and com-
munication line trouble.
Check to connect outdoor unit and indoor units
Step 1
cable.
Replace outdoor unit's ass'y control or indoor
Step 2
unit's ass'y control.
Basically, This error caused by communication between Indoor Units and Outdoor Unit.
Guidance
First of all, check the all communication connection and PCB's status.
4-22
Contents
Check point
Contents
Check point
Remarks
The pipe checking operation
Pipe connecting
EEV Coil
Indoor sensor
Remarks
The pipe checking operation
Pipe connecting
EEV Coil
Samsung Electronics