En-25
Outdoor unit sensor
error
E 7 1. 1 Discharge temp. sensor1 error
E 7 2. 1 Compressor temp. sensor1 error
E 7 3. 4 Heat Ex.1 gas temp. sensor error
E 7 3. 5 Heat Ex.1 liquid temp. sensor error
E 7 3. 6 Heat Ex.2 gas temp. sensor error
E 7 3. 7 Heat Ex.2 liquid temp. sensor error
E 7 4. 1 Outdoor temp. sensor error
E 7 5. 1 Suction gas temp. sensor error
E 7 7. 1 Heat sink temp. sensor error
E 8 2. 2 Sub-cool Heat Ex. gas outlet temp. sensor error
E 8 3. 1 Liquid pipe temp. sensor1 error
E 8 3. 2 Liquid pipe temp. sensor2 error
E 8 4. 1 Current sensor 1 error (permanent stop)
E 8 6. 1 Discharge pressure sensor error
E 8 6. 3 Suction pressure sensor error
E 8 6. 4 High pressure switch 1 error
Outdoor unit actuator
error
E 9 3. 1 Inverter compressor start up error
E 9 4. 1 Trip detection
E 9 5. 5 Compressor motor loss of synchronization
E 9 7. 1 Outdoor unit fan motor lock error
E 9 7. 5 Fan motor temperature abnormal (protected operation )
E 9 7. 9 Fan motor driver abnormal
E 9 A. 1 Coil1 (Expansion valve1) error
E 9 A. 2 Coil2 (Expansion valve2) error
E 9 A. 3 Coil3 (Expansion valve3) error
E 9 U. 2 Slave unit error
Refrigerant system
abnormal
E A 1. 1 Discharge temperature 1 abnormal
E A 3. 1 Compressor1 temperature abnormal
E A 4. 1 High pressure abnormal
E A 4. 2 High pressure protection1
E A 5. 1 Low pressure abnormal
E A 6. 3 Outdoor heat exchanger 1 gas temperature abnormal
E A 6. 4 Outdoor heat exchanger 2 gas temperature abnormal
E A C. 4 Heat sink temperature abnormal
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7 segment LED indicator:
INFORMATION
11.
Main contents of label
Item
Detail
Model name
1.
Model name
Serial number
2.
Serial number
Electric characteristics
3.
Phase, rated voltage, and frequency
Weight
4.
Product weight
Capacity
5.
Cooling/heating capacity under cooling/
heating condition (refer to item 15)
Current
6.
Electric current during cooling/heating
operation under cooling/heating condi-
tion
(refer to item 15)
Input power
7.
Input during cooling/heating operation
under cooling/heating condition (refer
to item 15)
Max. Current
8.
Maximum electric current (temperature
condition is max. cooling condition [refer
to item 16])
Air circulation
9.
Air circulation
Noise level
10. Noise
level
Refrigerant
11.
Refrigerant type and initial charging
amount
Checklist
9. 3.
Check description
Check method
Criteria
1
High and low pressure
values are normal.
Check it with a
pressure gauge.
Cooling: low pressure ap-
prox. 0.8 MPa
Heating: high pressure ap-
prox. 3.0 MPa
2
Drain water is dis-
charged smoothly
through the drain hose.
Check it by pour-
ing water.
―
3
Indoor and outdoor unit
fans are operating.
Check them visu-
ally.
―
4
Compressor operates after
the indoor unit operates.
Check the operat-
ing sound.
―
5
Difference between inlet
and outlet temperatures
is normal.
Measure the inlet
and outlet temper-
atures.
Temperature difference 10
degrees
6
Error is not displayed
Check the 7
segment LED
indicator
Error blinking or no error
code display
LED Status
10.
You can determine the operating status by the lighting up and blinking of the 7 seg-
ment LED indicator.
Check the status using the table below.
Normal operation mode
10. 1.
Mode
Code
Description
Operation
C L
Cooling
H
t
Heating
o
r During oil recovery operation
d F During defrosting operation
P C During peak cut operation
L n During low noise operation
S n During setting of snowfall mode
Error mode
10. 2.
Mode
Code
Description
Communication error
E 1 3. 1 Communication error between Outdoor unit
E 1 4. 1 Outdoor unit network communication 1 error
E 1 4. 2 Outdoor unit network communication 2 error
E 1 4. 5 The number of indoor unit shortage
Function setting error
E 2 8. 1 Auto address setting error
E 2 8. 4 Signal ampli
fi
er auto address error
Indoor unit actuator error E 5 U. 1 Indoor unit error
Outdoor unit PCB/Elec-
trical component/ Switch
error
E 6 1. 5 Outdoor unit reverse phase, missing phase wire error
E 6 2. 3 Outdoor unit EEPROM access error
E 6 2. 6 Inverters communication error
E 6 2. 8 EEPROM data corrupted error
E 6 3. 1 Inverter error
E 6 7. 2 Inverter PCB short interruptions detection
E 6 8. 2 Rush current limiting resister temp rise protection
E 6 9. 1
Outdoor unit transmission PCB parallel
communication error
9378945074_IM.indb Sec1:25
9378945074_IM.indb Sec1:25
2012-7-19 16:44:38
2012-7-19 16:44:38
Summary of Contents for AirStage AJH108GALH
Page 236: ......
