Chigo CS-25V1A-H1; CS-35V1A-E2; CS-50V9A-S; CS-70V9A-T - 5,Malfunction code: F6 (the outdoor temp sensor fault); 6,Malfunction code FA (the communication fault between the wire controller to the indoor PCB)

5,Malfunction code：F6 （the outdoor temp sensor fault）
6,Malfunction code ：FA （the communication fault between the wire controller to the indoor PCB）
Turn off the power
Take out the temperature sensor from outdoor PCB. Then test
this outdoor temperature sensor resistance whether ii is normal
(the normal: discharge sensor is 3K~200K the other sensor is
1K~40K).
N
The outdoor temp sensor is
bad, Please change it.
Y
Connect the sensor with the indoor PCB again.
Check the sensor and the indoor PCB terminal
resistance. The normal value is 0Ω
N
The indoor temperature sensor adapter
connector is loose. Change this indoor
PCB or repair this adapter connector
Y
The indoor PCB is bad. Please change it
Electrify and turn on the unit
Check the connecting line、wire controller、
PCB whether they are loose or have a bad
contact.
Y
Please change the connecting line or
repair the loose terminal
N
Faulty cause：1、maybe the indoor coil
temp sensor’s BNC connector plugs is
loose or contact ill;
2、the sensor is bad or the down-lead is
circuit-break、circuit－short
3、the indoor PCB’s hardware has been
damaged
The faulty cause：
1、the wire controller’s connecting plug
is loose or contacts ill
2、the wire controller’s hardware has
been damaged ;
3、the indoor PCB has been damaged.