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TCL TAC-09CSD/XA81I User Manual

TCL TAC-09CSD/XA81I
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TCL Air Conditioner Service Manual
52
3.2.18 F4---Cooling system Gas flow abnormal protection
When compressor startup, unit will check the variation of IDU coil temperature. If there is mistake installer forgetting
to open the 2-way or 3-way valve on ODU, the gas can’t flow in the cooling system, it will show F4 protection.
Start
Display F4
Open the valve
No
End
Check the 2-way
valve and 3-way
valve opened?
No
Y
es
No
F4 disappear?
The IPT sensor
o
p
en or short?
Replace the sensor
Y
es
Y
es
No

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TCL TAC-09CSD/XA81I Specifications

General IconGeneral
BrandTCL
ModelTAC-09CSD/XA81I
CategoryAir Conditioner
LanguageEnglish

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