Argo PLATINUM EVO 21 - Page 41

Service Manual
maintenance
21
8.2 Malfunction Detection Flowchart
Malfunction of temperature sensor F1, L1
Insert the temperature/
humidity sensor tightly
Replace the
temperature/humidity
sensor
Replace the display board
with the same model
Start
Check whether connection
between terminal of connection wire
of temperature/humidity sensor and
the controller is loose or not not
connected tightly.
yes
no
no
Is the malfunction
eliminated?
Whether the temperature
humidity sensor is damaged
yes
no
no
Is the malfunction
eliminated?
yes
yes
End