71
No
Yes
No
Yes
No
Yes
No
Yes
Yes
No
Yes
No
Yes
[89] Capability of indoor unit connected overload
Whether the
number of indoor unit connected is
correct
Communication line is connected to theoutdoor unit due to the reason that otherindoor units of other outdoor units havemismatching line, leading to the numberof indoor unit detected exceeding thepredicted modify, indoor and outdoorcommunication wiring.
Whether the
HP setting of indoor unit is correct
Modify the indoor unit having incorrectsetting
The capability
of indoor unit connected is over 1.35
times that of outdoor unit
Outdoor PCB is improper replace it
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
Modify the connection of the connectors
Whether the
resistance value/temperature characteristic
of TC1A is normal
Replace TC1A sensor
Check indoor PCB, if improper replace it
[94] TC2 circuit of indoor heat exchanger
Whether the
connection of the connector of CN05,
is normal
Modify the connection of the connectors
Whether the
resistance value/temperature characteristic
of TC2 is normal
Replace TC2 sensor
Check indoor PCB, if improper replace it
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