Replace the sensors having fault
80
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
[AA] High pressure sensor (Pd) loop
Whether the
connection and wiring of the connectors
of CN07 (high pressure sensor)
are normal
Repair the connection and wiring ofthe connectors
Whether the characteristic of high
pressure sensor is normal
Replace high pressure sensor
Check outdoor I/F PCB, ifimproper, replace it
[Ab] Pressure sensor (Pd, Ps) mismatching line
Whether the
connection and wiring of the connectors
of high pressure sensor and low pressure
sensor are normal
Repair the connection and wiring ofthe connectors
Whether the
characteristics of high pressure
sensor and low pressure sensor are
normal
Check outdoor I/F PCB, ifimproper, replace it
[E6] Power phase sequence mismatching line of outdoor unit
Whether the
power phase sequence of outdoor unit
is correct
Correctly connect the power phasesequence of outdoor unit
Check outdoor I/F PCB, if improper,replace it
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