Samsung DH24ZAX - Page 86

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■ EC06 : When the trouble is found in the communication related part between indoor unit
and wired remote controller. (during single operation, not group control)
- EC of 7-segment of outdoor unit PCB.
- Wireless receiving board lamp and reservation lamp is flickering with 1Hz.
- Action item when “C” displays on the wired remote controller.
Samsung Electronics
Trouble Shooting
Check point :
- Short circuit or mis-connection of the communication line between indoor unit and wireless remote controller
- Indoor unit PCB defect
- Wired remote controller PCB defect
✽ “0” stands for the indoor unit address.
NO
NO
YES
YES
YES
Connect correctly and check.
Connect correctly and check again
NO
Set address to "0"
NO
Replace the wired remote controller
Are the terminals R1, R2, R3 of indoor unit terminal
board connected correctly to R1, R2, R3 of wired remote
controller?
Is 7P(RED) of transformer connected to CN11
of indoor unit?
Is the jump wire inserted into CN20 of indoor unit PCB?
Is the address of PCB digital switch of indoor unit to "0"?
Replace the indoor unit PCB
Duct-ADH1800E-3 4/12/00 5:47 PM Page 6-7