En-25
Outdoor unit sensor
error
E 7 1. 1 Outdoor unit discharge thermistor 1 error
E 7 2. 1 Outdoor unit compressor temp sensor 1 error
E 7 3. 4 Outdoor unit heat ex. 1 gas temp. sensor error
E 7 3. 5 Outdoor unit heat ex. 1 liquid temp. sensor error
E 7 3. 6 Outdoor unit heat ex. 2 gas temp. sensor error
E 7 3. 7 Outdoor unit heat ex. 2 liquid temp. sensor error
E 7 4. 1 Outside air thermistor error
E 7 5. 1 Outdoor unit suction gas thermistor error
E 7 7. 1 Outdoor unit heat sink thermistor error
E82.2
Outdoor unit sub-cool heat ex. gas outlet thermistor
error
E 8 3. 1 Outdoor unit liquid pipe thermistor 1 error
E 8 3. 2 Outdoor unit liquid pipe thermistor 2 error
E84.1Outdoor unit current sensor 1 error (permanent stop)
E 8 6. 1 Outdoor unit discharge pressure sensor error
E 8 6. 3 Outdoor unit suction pressure sensor error
E 8 6. 4 Outdoor unit high pressure switch 1 error
Outdoor unit actuator
error
E 9 3. 1 Outdoor unit inverter compressor start up error
E 9 4. 1 Outdoor unit trip detection
E95.5
Outdoor unit compressor motor loss of synchronization
E 9 7. 1 Outdoor unit fan motor lock error
E97.5
Outdoor unit fan motor temperature error (protective
action)
E 9 7. 9 Outdoor unit fan motor driver abnormal
E 9 A. 1 Outdoor unit coil 1 (expansion valve 1) error
E 9 A. 2 Outdoor unit coil 2 (expansion valve 2) error
E 9 A. 3 Outdoor unit coil 3 (expansion valve 3) error
E 9 U. 2 Outdoor slave unit error
Refrigerant system error
E A 1. 1 Outdoor unit discharge temperature 1 abnormal
EA3.1Outdoor unit compressor 1 temperature abnormal
E A 4. 1 Outdoor unit high pressure abnormal
EA4.2Outdoor unit high pressure protection 1
E A 5. 1 Outdoor unit 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 Outdoor unit heat sink temperature abnormal
㪃
㪃
㫋㪑
㪣㪑
㪎㪑
㪟
㪡㪑
㪍㪑
㪚
㪝
㪻㪑 㫅㪑 㫆
㫉㪑
㪃
㪐㪑
㪧
㪬㪑
㪪㪑
㪏㪑
㪃
㪌㪑㪊㪑 㪋
㪈㪑 㪉㪑
㪇㪑
7 segment LED indicator:
INFORMATION11.
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 level10. Noise level
Checklist9. 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 Status10.
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 codes10. 1.
Mode Code Description
Operation
CL Cooling
Ht 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 codes10. 2.
Mode Code Description
Communication error
E 1 3. 1 Communication error between outdoor units
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 amplifi er auto address error
Indoor unit actuator error E 5 U. 1 Indoor unit miscellaneous error
Outdoor unit PCB/elec-
trical component/switch
error
E 6 1. 5 Outdoor unit reverse phase, missing phase wire error
E62.3Outdoor unit EEPROM access error
E 6 2. 6 Outdoor unit inverters communication error
E 6 2. 8 Outdoor unit EEPROM data corruption error
E 6 3. 1 Outdoor unit inverter error
E67.2
Outdoor unit inverter PCB power short interruption
error
E68.2
Outdoor unit rush current limiting resister temp. rise
error (protective operation)
E69.1
Outdoor unit transmission PCB parallel
communication error
9378945111_IM.indb Sec1:259378945111_IM.indb Sec1:25 2012/11/14 09:49:092012/11/14 09:49:09
To Next Page
Loading...
Need help?
General
