Gree GJC09AF-E6RNB3A Service Manual page 29

Service Manual
Malfunction
No. Dual-8
Name
Code
Display
Indoor
ambient
temperature
13 F1
sensor is
open/short
circuited
Indoor
evaporator
temperature
14 F2
sensor is
open/short
circuited
Outdoor
ambient
temperature
15 F3
sensor is
open/short
circuited
Installation and Maintenance
Display Method of Indoor Unit
Indicator Display (during
blinking, ON 0.5s and OFF
0.5s)
Operation Cool Heat
Indicator Indicator Indicator
OFF 3S
and blink
once
OFF 3S
and blink
twice
OFF 3S
and blink
3 times
Display Method of Outdoor
Unit
Indicator has 3 kinds of
display status and during
blinking, ON 0.5s and OFF
0.5s
Yellow Red Green
Indicator Indicator Indicator
OFF 1S
and
blink
6 times
A/C Status Possible Causes
1. Loosening or bad
contact of
indoor ambient temp.
During cooling and sensor and
drying mainboard terminal.
operation, indoor unit 2. Components in
operates mainboard fell
while other loads will down leads short
stop; circuit.
during heating 3. Indoor ambient
operation, temp. sensor
the complete unit will damaged.(check with
stop sensor
operation. resistance value
chart)
4. Mainboard
damaged.
1. Loosening or bad
contact of Indoor
evaporator temp.
sensor and
AC stops operation mainboard terminal.
once reaches the 2. Components on
setting temperature. the mainboard
Cooling, drying: fall down leads short
internal fan motor circuit.
stops operation while 3. Indoor evaporator
other loads stop temp. sensor
operation; heating: damaged.(check
AC stop operation temp. sensor
value chart for
testing)
4. Mainboard
damaged.
During cooling and
drying Outdoor temperature
operating, sensor
compressor stops hasnt been
while indoor fan connected well or
operates; is damaged. Please
During heating check it by
operation, referring to the
the complete unit will resistance table for
stop temperature sensor)
operation
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