Flashing Led Of Indoor/Outdoor Unit And Primary Judgement - Electrolux EXI09HD1W Service Manual

Display Method of Indoor Unit
Indicator Display (during
Malfunction
blinking, ON 0.5s and OFF
Dual-8
NO.
Name
0.5s)
Code
Display
Operation
Indicator
High
OFF 3s
pressure
1 E1 and blink
protection of
once
system
OFF 3S
Antifreezing
2 E2 and blink
protection
twice
In defect of
3 refrigerant F0
High
discharge OFF 3S
4 temperature E4 and blink
protection of 4 times
compressor
OFF 3S
Overcurrent and blink
5 E5
protection 5
times
OFF 3S
Communi-
and blink
6 cation E6
6
Malfunction
times
High OFF 3S
temperature and blink
7 E8
resistant 8
protection times
EEPROM
8 EE
malfunction
Limit/
decrease
frequency
9 EU
due to high
temperature
of module
Malfunction OFF 3S
10 protection of C5 and blink
jumper cap 15 times
Display Method of Outdoor
Indicator has 3 kinds of
display status and during
blinking, ON 0.5s and OFF
0.5s
Cool Heating Yellow
Indicator Indicator Indicator Indicator
OFF 1S
and blink
3 times
OFF 1S
9 times
OFF 1S
and blink
7 times
OFF 1S
and blink
5 times
Always
ON
OFF 1S
and blink
6 times
OFF 3S OFF 1S
and blink and blink
15 times 11 times
OFF 3S OFF 3S
and blink and blink
6 times 6 times
Unit
A/C status
Red Green
Indicator
During cooling and drying
operation, except indoor
fan operates, all loads stop
operation.
During heating operation, the
complete unit stops.
During cooling and drying
operation, compressor and
outdoor fan stop while indoor
fan operates.
The Dual-8 Code Display will
and
show F0 and the complete unit
blink
stops.
During cooling and drying
operation, compressor and
outdoor fan stop while indoor
fan operates. During heating
operation, all loads stop.
During cooling and drying
operation, compressor and
outdoor fan stop while indoor
fan operates. During heating
operation, all loads stop.
During cooling operation,
compressor stops while
indoor fan motor operates.
During heating operation, the
complete unit stops.
During cooling operation:
compressor will stop while
indoor fan will operate.
During heating operation, the
complete unit stops.
During cooling and drying
operation, compressor will stop
while indoor fan will operate;
During heating operation, the
complete unit will stop
All loads operate normally,
while
operation frequency for
compressor is decreased
Wireless remote receiver and
button are effective, but can
not dispose the related
command
Possible Causes
Possible reasons:
1. Refrigerant was superabundant;
2. Poor heat exchange (including
and bad radiating environment );
Ambient temperature is too high.
1. Poor air-return in indoor unit;
2. Fan speed is abnormal;
3. Evaporator is dirty.
1.In defect of refrigerant;
2.Indoor evaporator temperature
sensor works abnormally;
3.The unit has been plugged up
somewhere.
Please refer to the malfunction
analysis (discharge protection,
overload).
1. Supply voltage is unstable;
2. Supply voltage is too low and
load is too high;
3. Evaporator is dirty.
Refer to the corresponding
malfunction analysis.
Refer to the malfunction analysis
(overload, high temperature
resistant).
Replace outdoor control panel AP1
Discharging after the complete unit
is de-energized for 20mins, check
whether the thermal grease on
IPM Module of outdoor control
the radiator is inserted tightly.
If its no use, please replace control
panel AP1.
1. No jumper cap insert on
mainboard.
2. Incorrect insert of jumper cap.
3. Jumper cap damaged.
4. Abnormal detecting circuit of
mainboard.