GEAppliances AZ75E09DAC, Техническое обслуживание руководство

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Indoor Fan
Note: Minimum comp./fan-
off time is 3 minutes. Fan-
on may be delayed.
Set thermostat to heat
mode or cool mode and
adjust temperature set
point so that the unit will
begin to heat or cool.
Do the outdoor fan and
compressor fan come on?
Before continuing troubleshooting, the fan
speed setting must be established:
High - Duct dip switch up and green
thermostat wire connected to GH terminal.
Medium - Duct dip switch down and green
thermostat wire connected to GH terminal
or
Duct dip switch up and green thermostat
wire connected to GL terminal.
Low - Duct dip switch down and green
thermostat wire connected to GL terminal.
What speed is fan set to run at?
Set thermostat to
fan run mode.
Check for line
voltage between
CN101 pin 5 and
CN201 pin 1.
Voltage present?
HIGH
Set thermostat to
fan run mode.
Check for line
voltage between
CN101 pin 5 and
CN101 pin 1.
Voltage present?
MED
Set thermostat to
fan run mode.
Check for line
voltage between
CN101 pin 5 and
CN101 pin 3.
Voltage present?
LOW
YES
Check for 5 VDC
on main board
CN2 between pins
4 and 10.
Voltage present?
Check indoor fan motor
resistance values.
Resistance values OK?
YES
Replace fan
motor.
NO
Check for 5 VDC
on main board
CN2 between pins
8 and 10.
Voltage present?
NO
Replace capacitor.
YES
NO
Replace capacitor.
YES
Check for 5 VDC
on main board
CN2 between pins
9 and 10.
Voltage present?
NO
Replace driver
board.
Replace driver
board.
Replace driver
board.
Replace main
board.
NO
Replace main
board.
Replace main
board.
YES NO
NO
YES YES
Replace capacitor.
YES
Go to Dead Unit
troubleshooting.
NO
Does the outdoor fan spin
freely?
Is the outdoor fan free
from obstructions?
YES
Remove the
obstruction or
replace the outdoor
fan motor.
NO
Check for 10 VDC
on driver board
between CN107-2
and CN 104-10.
Voltage present?
NO
Replace Sub
Board
YES
Indoor Fan Resistance Values
230/208 VAC Models
White to black 64
Ω
Orange to black 60
Ω
White to orange 5
Ω