Fan Coil Unit Fan Operation Error - Samsung AG026MN1DEH/EU Service Manual

4-3-6. Fan coil unit Fan operation error

Error number
Duct, cassette (1‑Way/2‑Way/
Mini 4‑Way)
Fan coil unit 1‑Way
display
Yellow
blue
green
2‑Way
Green Red
◑ ◑
Criteria ∙ Refer to the judgment method below
Cause of
∙ Number ∙x x x fan coil unit fan motor operation error
problem
1. How to judge
1) This occurs when the RPM value in the pan motor of the PID control method does not FEEDBACK to MICOM
2. How to check
Is the HALL IC connector connected?
Is the FAN motor operation capacitor a PCB
4‑Way cassette type
r u n /
Defrost
stop
or or
◑ ◑ ◑ ◑ ◑
Yes
detachable type?
No
Replace PCB
Wall mount type
LED Indication
Clean
Timer
Filter
18°C 21°C Timer
◑ ◑ ◑ ◑ ◑
No
Yes
No
4-25
Circular cassette type
Ice Yellow
24°C 27°C
Blue Green
◑ ◑ ◑ ◑
Restart after connecting the HALL IC
connector
Is the connecting terminal separated?
Yes
Restart after connecting
Trouble shooting
Blue Red
× ◑