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Indoor unit display
LED STATUS
E5
Outdoor units temp. sensor or connector of temp. sensor is defective
Indoor unit display
LED STATUS
E6
Indoor units temp. sensor or connector of temp. sensor is defective
Indoor unit display
LED STATUS
P0
Inverter module protection
Is the indoor temperature and
evaporator sensor connector
and connection good?
Repair the connector and
reconnect
Replace the sensor and
check if E6 display again?
NO
YES
Replace the.indoor PCB
YES
Is the outdoor temperature
sensor
connector
and
connection good?
Repair the connector and
reconnect
Replace the sensor and
check if E5 display again?
NO
YES
Replace outdoor e-box
YES
Is the indoor fan motor
connector and connection
good?
Repair the connector and
reconnect
Is voltage being applied to
the fan motor?
(rang 90v-160v between mid
pin and N on CN1
NO
YES
Indoor PCB is defective.
Replace the indoor PCB.
YES
Replace the indoor fan motor
NO
