E102 : Communication Error Between Indoor And Outdoor Unit; E201 : Unit Quantity Miss Matching Beween Indoor And Outdoor; E203 : 1Min Time Out Of Communication Error(MainInverter) - Samsung AC180JNHPKH/AR Service Manual

4-3-11 E102 : Communication error between indoor and outdoor unit

E201 : Unit quantity miss matching beween Indoor and Outdoor

E202 : Abnormal state, no communication between Indoor and Outdoor Main PCB
E203 : 1min Time out of communication error(MainInverter)
1. Checklist :
1) Is the communication cable between the indoor unit and outdoor unit connected correctly?
2) Isn't the power cable and communication cable wiring error?
2. Troubleshooting procedure
Restart after power off.
Is the communication error
occurred again?
Isn't the power cable and
communication cable wiring error?
Is the connection of
communication cable normal?
Replace the outdoor unit PCB.
4-18
Yes
Yes
Yes
No
Terminate the service.
No
Correct the wrong wiring.
No
Correct the connection of
communication cable.
Samsung Electronics