Checklist; Led Status; Error Mode - Fujitsu Airstage AJYA72GALH Manuel D'installation

9. 3.

Checklist

Check description Check method
High and low pressure Check it with a
1
values are normal. pressure gauge.
Drain water is dis-
Check it by pour-
2 charged smoothly
ing water.
through the drain hose.
Indoor and outdoor unit Check them visu-
3
fans are operating. ally.
Compressor operates after Check the operat-
4
the indoor unit operates. ing sound.
Difference between inlet Measure the inlet
5 and outlet temperatures and outlet temper-
is normal. atures.
Check the 7
6 Error is not displayed segment LED
indicator
10.

LED Status

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.
10. 1. Normal operation mode
Mode Code
C L Cooling
H t Heating
o r During oil recovery operation
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
10. 2.

Error mode

Mode Code
E 1 3. 1 Communication error between Outdoor unit
E 1 4. 1 Outdoor unit network communication 1 error
Communication error
E 1 4. 2 Outdoor unit network communication 2 error
E 1 4. 5 The number of indoor unit shortage
E 2 8. 1 Auto address setting error
Function setting error
E 2 8. 4 Signal amplifi er auto address error
Indoor unit actuator error E 5 U. 1 Indoor unit 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
Outdoor unit PCB/Elec-
E 6 2. 8 EEPROM data corrupted error
trical component/ Switch
E 6 3. 1 Inverter error
error
E 6 7. 2 Inverter PCB short interruptions detection
E 6 8. 2 Rush current limiting resister temp rise protection
Outdoor unit transmission PCB parallel
E 6 9. 1
communication error
En-25
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Criteria
Cooling: low pressure ap-
prox. 0.8 MPa
Heating: high pressure ap-
prox. 3.0 MPa
Outdoor unit sensor
―
error
―
―
Temperature difference 10
degrees
Error blinking or no error
code display
Outdoor unit actuator
error
Description
Refrigerant system
abnormal
7 segment LED indicator:
Description
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
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
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
11. INFORMATION
Main contents of label
Item
1. Model name Model name
2. Serial number Serial number
3. Electric characteristics Phase, rated voltage, and frequency
4. Weight Product weight
Cooling/heating capacity under cooling/
5. Capacity
heating condition (refer to item 15)
Electric current during cooling/heating
operation under cooling/heating condi-
6. Current
tion
(refer to item 15)
Input during cooling/heating operation
7. Input power under cooling/heating condition (refer
to item 15)
Maximum electric current (temperature
8. Max. Current condition is max. cooling condition [refer
to item 16])
9. Air circulation Air circulation
10. Noise level Noise level
Refrigerant type and initial charging
11. Refrigerant
amount
Detail