Troubleshooting
Samsung Electronics5-6
DISPLAY EXPLANATION
Outdoor sensor error (Short/Open)
Outdoor A cond pipe sensor error (Short/Open)
Outdoor B cond pipe sensor error (Short/Open)
Outdoor C cond pipe sensor error (Short/Open)
A unit test operation error
B unit test operation error
C unit test operation error
A unit test communication error
B unit test communication error
C unit test communication error
A,B,C unit all communication error
A room test operation OK
B room test operation OK
C room test operation OK
Communication unit number display : A unit
Communication unit number display : B unit
Communication unit number display : C unit
(In case of triple split multi air conditioner)
Refrigerant leaks
High temperature of the A cond
High temperature of the B cond
REMARK
Be sure to check after applying the power
to the outdoor unit.
Be sure to check during the test operation.
Display of power application.
Display 4 minutes after the COMP is on.
•Normal operation
Unit A,B and C are changed every one second.
The communication lamp is flickering after
display of each unit.
(possibility to check the communication status)
•During the test operation the unit under test
is on and off every 0.25s.
Display when the test operation finishes.
• When the pipe temperature difference of
indoor unit (pipe temperature 4 minutes before
- Actual pipe temperature) is less than 5˚C.
DB98_08726A(1)<SM_1 12/19/11 4:35 PM Page 5-6
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