75
#
Malfunction
Name
Indoor Unit Display
Method
Outdoor Unit
Display Method
(repeated every 5
seconds)
o
= Off
n
= Illuminated
«
= Blink
A/C Status
Possible Causes
Indoor
Display
Heating
Indicator
27
Decrease fre-
quency due to
high tempera-
ture resistant
during heating
operation
H0
Off 3s and
blink 10 times
n
o
«
«
All loads operate normally,
while operation frequency
for compressor is decreased.
Refer to malfunction
analysis (overload, high
temperature resistant)
28
Failure startup
LC
Off 3s and
blink 11 times
o
«
o
«
During cooling and drying
operation, compressor will
stop while indoor fan will
operate. During heating
operation, the complete unit
will stop operation.
Refer to malfunction
analysis
29
Malfunction of
phase current
detection circuit
for compressor
U1
Off 3s and
blink 13 times
o
«
n
o
During cooling and drying
operation, compressor will
stop while indoor fan will
operate. During heating
operation, the complete unit
will stop operation.
Replace outdoor control
panel AP1
30 EEPROM mal-
function
EE
Off 3s and
blink 15 times
o
o
o
n
During cooling and drying
operation, compressor will
stop while indoor fan will
operate. During heating
operation, the complete unit
will stop operation.
Replace outdoor control
panel AP1
31
Charging
malfunction of
capacitor
PU
Off 3s and
blink 17 times
o
n
o
n
During cooling and drying
operation, compressor will
stop while indoor fan will
operate. During heating
operation, the complete unit
will stop operation.
Refer to the part three-
charging malfunction
analysis of capacitor
32
Malfunction of
module tem-
perature sensor
circuit
P7
Off 3s and
blink 18 times
o
o
n
«
During cooling and drying
operation, compressor will
stop while indoor fan will
operate. During heating
operation, the complete unit
will stop operation.
Replace outdoor control
panel AP1
33
Module high
temperature
protection
P8
Off 3s and
blink 19 times
n
o
«
n
During cooling and drying
operation, compressor will
stop while indoor fan will
operate. During heating
operation, the complete unit
will stop operation.
After the complete unit is
de-energized for 20 mins,
check whether the ther-
mal grease on the IPM
Module of outdoor control
panel AP1 is sufficient
and whether the radiator
is inserted tightly. If its no
use, please replace control
panel AP1
Troubleshooting 18,000/24,000 btuh Units, cont.
Summary of Contents for TERRA09HP230V1A
Page 13: ...13 Product Introduction Operation Characteristic Curve ...
Page 14: ...14 Product Introduction Capacity Variation Ratio According to Temperature ...
Page 16: ...16 Noise Criteria Curve Tables Product Introduction ...
Page 54: ...54 Electrical Schematics ...
Page 135: ...135 Gree Electric Appliances Inc C 2014 Cat No DFS TERRA HP 2SM Version 2 0 ...