Airwell ELECTRA AWAU-VDDE009-H11, Руководство по обслуживанию

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TROUBLESHOOTING
13-3 SM
JE
DE 1-A.1 GB
DC Over Voltage PH
COOL Indicator OFF 3S and blink
11 times 1. AC power supply is higher than 2
2. Outdoor PCB circuit malfunction
DC Under Voltage PL
HEAT Indicator OFF 3Sand
blink21 times
1. AC power supply voltage is less than
150VAC
2. Outdoor PCB circuit malfunction
DC Over Current P5
COOL Indicator OFF 3Sand
blink15 times
1. Abnormal power input voltage.
2. Compressor wiring mistake.
3. Liquid and gas valve are not open.
4. EEV damaged or not proper working
5. Poor heat exchange.
6. Over charged system.
Charging malfunction
of capacitor
PU
HEAT Indicator OFF 3Sand
blink17 times
1. Reactor open
2. Charging relay or other components
damaged on PCB.
HST Failure P7
HEAT Indicator OFF 3Sand
blink18 times
1. Senor was broken or damaged
2. PCB temperature detection cuircuit has
problem
HST over
heating
protection
P8
HEAT Indicator OFF 3Sand
blink19 times
1. Insufficient attachment of IPM module
to Heatsink
2. Outdoor PCB problem.
Compressor
overload protection
H3
HEAT Indicator OFF 3Sand
blink3 times
1. EEV connection problem or damaged
2. Refrigeratn leakage
3. OLP damaged
IPM protection H5
HEAT Indicator OFF 3Sand
blink5 times
1.Abnormal power input voltage.
2.Compressor wiring mistake.
3.Liquid and gas valve are not open.
4.EEV damaged or not proper working
5.Poor heat exchage.
6.Over charged system.
No feedback of
indoor motor
H6
OPER Indicator OFF 3S and blink
11 times
1. Bad contact of DC motor feedback
terminal.
2. Bad contact of DC motor control end.
3. Fan motor is blocked.
4. Motor malfunction.
5. Malfunction of main board rev
detecting circuit.
Desynchronizing
of compressor
H7
HEAT Indicator OFF 3Sand
blink7 times
1. Abnormal power input voltage.
2. Compressor wiring mistake.
3. Liquid and gas valve are not open.
4. EEV damaged or not proper working
5. Poor heat exchage.
6. Over charged system.
PFC protection HC
HEAT Indicator OFF 3Sand
blink6 times
1. PFC module assembly problem.
2. Poor heat exchange of Heatsink
3. PFC reactor problem.
4. Abnormal power voltage
5. PFC circuit problem on PCB
Outdoor DC fan
motor malfunction
L3
OPER Indicator OFF 3S and blink
23 times 1.DC fan motor malfunction or blocked
2.Bad connection
Over Power Protection L9
OPER Indicator OFF 3S and blink
20 times To protect the electronical components when
detect high power
IDU/ODU Mismatch LP
OPER Indicator OFF 3S and
blink19 times Indoor unit and outdoor unit doesn't
match
Start-up Failure LC
HEAT Indicator OFF 3Sand
blink11 times
1. Compressor wiring mistake
2. Over charged system
3. System not balanced before
compressor starting
4. Compressor problem
ODU Deicing
HEAT Indicator OFF 3Sand
blink once(during blinking, ON
10s and HEAT Indicator OFF
0.5s)
Its the normal state