When Indoor Unit Terminal Block Fuse Error " " Indicated On The Indoor Temperature Display Area; Self-Diagnosis - Detached Indoor Unit . Outdoor Unit Pipe Temperature Sensor Error - Samsung AF28FVSDA N Series Service Manual

4-4-9 When Indoor unit Terminal Block Fuse Error "
display area
1. Cause of malfunction
1) Disconnection or loose connection of ERMINAL BLOCK FUSE
2) Disconnection of TERMINAL BLOCK FUSE
3) Faulty Main PBA
2. Check procedure
Unplug Indoor unit and
Outdoor unit power cords
Is the wire on CN32 connector of MAIN PBA
properly connected?
When measuring
the resistance of both ends of wire after
separate the wire from CN32 connector, Oohm or
short Is determined?
REPLACE MAIN PBA
4-4-10 Self-diagnosis – detached indoor unit . Outdoor unit pipe temperature sensor error
Indoor unit display
Outdoor unit display
1. Cause of malfunction
1) Detached indoor unit pipe temperature sensor while running outdoor unit
2) Detached indoor unit pipe entrance temperature sensor
3) Detached indoor unit pipe exit temperature sensor
2. Check procedure
1) Inspect indoor unit pipe entrance temperature sensor
2) Inspect indoor unit pipe exit temperature sensor
Samsung Electronics
(Power off)
Yes
Yes
(Detached Indoor unit pipe entrance temperature sensor error)
(Detached Indoor unit pipe exit temperature sensor error)
○(YEL) ◎(GRN) ●(RED)
" Indicated on the Indoor Temperature
No
CHECK WIRE CONNECTION CONDITION
No
TERMINAL BLOCK NEEDS TO BE REPLACED.
(TERMINAL BLOCK FUSE DISCONNECTION)
Troubleshooting
4-19