Samsung ACH1800E Technical Manual - page 151
Other manuals for ACH1800E:
Owner's Instructions Manual, Service Manual
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SAMSUNG
TROUBLE SHOOTING & ERROR MODE
7
Fault Diagnosis by Symptom
(Cont.)
● EC03 : When the trouble is found on the part related to the outdoor unit thermistor.
- E6 of outdoor unit PCB 7-segment
- Operation lamp and filter lamp of wireless receiving board are flickering with 1Hz.
- Action items when “*6” displays on the wired remote controller.
✽ “*” stands for the indoor unit address.
NO
YES
YES
Replace the outdoor unit PCB
NO
Is the voltage across the thermistor 4.9V and
higher or 0.5V and lower?
Replace the thermistor
Install the outdoor unit thermistor at CN41.
Is the outdoor unit thermistor installed at CN41?
- Defect of indoor unit
- Indoor unit thermistor defect
Check point :