Haier AU96NFTAHA Service Manual page 74

[89] Capability of indoor unit connected overload
Whether the
number of indoor unit connected is
correct
Whether the
HP setting of indoor unit is correct
The capability
of indoor unit connected is over 1.35
times that of outdoor unit
Make the capability of indoor unit connected
below 1.35 times of outdoor unit
[93] TC1 circuit of indoor heat exchanger sensor
Whether the
connection of the connector of CN21,
is normal
Whether the
resistance value/temperature characteristic
of TC1A is normal
Check indoor PCB, if improper
[94] TC2 circuit of indoor heat exchanger
Whether the
connection of the connector of CN05,
is normal
Whether the
resistance value/temperature characteristic
of TC2 is normal
Check indoor PCB, if improper
Yes
Yes
Yes
Yes
Yes
replace it
Yes
Yes
replace it
Communication line is connected to theoutdoor unit due
No
No
Modify the indoor unit having incorrectsetting
No
Outdoor PCB is improper
No
Modify the connection of the connectors
Replace TC1A sensor
No
Modify the connection of the connectors
No
Replace TC2 sensor
71
: http://splitoff.ru/tehn-doc.html
replace it