66
Technical Information
NO
Replace the indoor mainboard
YES
9 Full Water Protection
Check if the water pump
works normally
E9 protection
If the unit is installed
with water pump
YES
Short circuit the full water
protection interface on indoor
mainboard according to the
circuit diagram
F0 Malfunction of Indoor Ambient Temperature Sensor
Disconnect the temperature
sensor and measure if its
resistance is normal
Malfunction of indoor ambient
temperature sensor
Correctly insert the
temperature sensor on
the needle stand
Replace the
temperature sensor
Check if the indoor ambient
temperature sensor on mainboard
is inserted on the needle
stand correctly
YES
Replace the full water
switch or make sure the
float of full water switch
works normally
YES
NO
Replace the water pump
NO
NO
Summary of Contents for AC Pro C Series
Page 90: ...Technical Information...
