Gree TERRA09HP230V1A, Установка, обслуживание и устранение неисправностей

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71
#
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
Operation
Indicator
1
High pressure
protection of
system
E1
OFF 3S and
blink once
o « « «
During cooling and drying op-
eration, except indoor fan op-
erates, all loads stop operation.
During heating operation, the
complete unit stops
Possible reasons: 1. Refrig-
erant was superabundant;
2. Poor heat exchange
(including filth blockage
of heat exchanger and bad
radiating environment);
Ambient temperature is
too high
2
Anti-freezing
protection
E2
OFF 3S and
blink twice
n o n o
During cooling and drying
operation, compressor and
outdoor fan stop while indoor
fan operates
1. Poor air-return in indoor
unit; 2. Fan speed is abnor-
mal; 3. Evaporator is dirty
3
High discharge
temperature
protection of
compressor
E4
Off 3S and
blink 4 times
n o n «
During cooling and drying
operation, compressor and
outdoor fan stop while indoor
fan operates. During heating
operation, all loads stop.
Please refer to the malfunc-
tion analysis (discharge
protection, overload).
4
Overcurrent
protection
E5
Off 3S and
blink 5 times
o n « o
During cooling and drying
operation, compressor and
outdoor fan stop while indoor
fan operates. During heating
operation, all loads stop.
1. Supply voltage is unsta-
ble; 2. Supply voltage is too
low and load is too high; 3.
Evaporator is dirty.
5
Communica-
tion Malfunc-
tion
E6
Off 3S and
blink 6 times
o o o «
During cooling operation,
compressor stops while indoor
fan motor operates. During
heating operation, the com-
plete unit stops.
Refer to corresponding
malfunction analysis
6
High tempera-
ture resistant
protection
E8
Off 3S and
blink 8 times
n o n n
During cooling operation,
compressor stops while indoor
fan motor operates. During
heating operation, the com-
plete unit stops.
Refer to the malfunction
analysis (overload, high
temperature resistant).
7
Internal motor
(fan motor) do
not operate
H6
Off 3S and
blink 11 times
Internal fan motor, external
fan motor, compressor and
electric heater stop operation,
guide louver stops at present
location
1. Bad contact of DC mo-
tor feedback terminal; 2.
Bad contact of DC motor
control end; 3. Fan motor
is stalling; 4. Motor mal-
function; 5. Malfunction
of mainboard rev detecting
circuit
8
Malfunction
protection of
jumper cap
C5
Off 3S and
blink 15 times
Wireless remote receiver and
button are effective, but can
not dispose the related com-
mand
1. No jumper cap insert on
mainboard; 2. Incorrect
insert of jumper cap; 3.
Jumper cap damaged; 4.
Abnormal detecting circuit
of mainboard.
Troubleshooting 18,000/24,000 btuh Units