Troubleshooting 38
Was the protection activated
in standby?
Was the protection activated
in standby?
Yes
Yes
Is the current normal
?
Is the current normal
?
Yes
No
Replace the outdoor main PCB
Replace the outdoor main PCB
Is the power voltage is normal?
Is the power voltage is normal?
Is outdoor terminal voltage
normal
?
Is outdoor terminal voltage
normal
?
Restart the unit when the power supply
returns to normal
Restart the unit when the power supply
returns to normal
No
Yes
No
Reconnect the
power wiring
Reconnect the
power wiring
Yes
Is the voltage between L and N
is normal
?
Is the voltage between L and N
is normal
?
Yes
Is the input voltage of the
bridge rectifier is normal
?
Is the input voltage of the
bridge rectifier is normal
?
No
No
Is the power wiring
wired correctly?
Is the power wiring
wired correctly?
Reconnect L and N
Reconnect L and N
Are L and N wired
properly?
Are L and N wired
properly?
Reconnect the
bridge rectifier
Reconnect the
bridge rectifier
Is the bridge
rectifier wired
properly?
Is the bridge
rectifier wired
properly?
No
No
Yes
Replace the PFC module (if this has not
been done already)
Replace the PFC module (if this has not
been done already)
No
Is the voltage between P and N
normal refer according to
Index
?
Is the voltage between P and N
normal refer according to
Index
?
Replace the bridge rectifier
Replace the bridge rectifier
No
Is the bridge rectifier
functioning normally?
Is the bridge rectifier
functioning normally?
Is the wiring of the
reactor or inductance
properly wired?
Is the wiring of the
reactor or inductance
properly wired?
Reconnect the wiring
Reconnect the wiring
No
Are the reactor and
inductance functioning
normally
Are the reactor and
inductance functioning
normally
Yes
Replace reactor or
inductance
Replace reactor or
inductance
No
Is the outdoor ambient
temperature is higher than
50
℃
?
Is the outdoor ambient
temperature is higher than
50
℃
?
No
Stop the unit
Stop the unit
Yes
Is the outdoor unit
ventilation functioning
properly?
Is the outdoor unit
ventilation functioning
properly?
Yes
Ensure that the outdoor unit ventilate
is working properly
Ensure that the outdoor unit ventilate
is working properly
Is the heat exchanger dirty?
Is the heat exchanger dirty?
No
Clean the heat exchanger
Clean the heat exchanger
Yes
Check whether the refrigerant
system is running normally
Check whether the refrigerant
system is running normally
Replace outdoor main
board. Does a problem still
exist?
Replace outdoor main
board. Does a problem still
exist?
No
No
Is the outdoor fan running
properly?
Is the outdoor fan running
properly?
Please refer to the solution of the
"fan speed is operating outside of
the normal range" malfunction.
Please refer to the solution of the
"fan speed is operating outside of
the normal range" malfunction.
No
Yes
No
Yes
Yes
Is system pressure too high?
Is system pressure too high?
Recycle the overcharged
refrigerant
Recycle the overcharged
refrigerant
Yes
Note: For certain models, outdoor PCB could not be removed separately. In this case, the outdoor electric
control box should be replaced as a whole.
Содержание ANERU Series
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Страница 6: ...Contents 1 Precautions 2 2 Information servicing For flammable materials 3 Safety Precautions...
Страница 12: ...Contents 1 Model Reference 2 2 External Appearance 3 Model Reference...
Страница 15: ...Model Reference 4 2 2 Outdoor Unit Single Fan Outdoor Unit Double Fan Outdoor Unit...
Страница 18: ...IDU Console 3 2 Dimensional Drawings 16 Drain pipe Hanging arm 195 700 600 210...
Страница 21: ...IDU Console 6 6 Air Velocity and Temperature Distributions Discharge Angle 60...
Страница 36: ...IDU Compact Cassette 4 2 Dimensional Drawings...
Страница 38: ...IDU Compact Cassette 6 4 Service Place...
Страница 41: ...IDU Compact Cassette 9 Heating airflow velocity distributions Heating temperature distributions...
Страница 43: ...IDU Compact Cassette 11 Heating airflow velocity distributions Heating temperature distributions...
Страница 45: ...IDU Compact Cassette 13 Heating airflow velocity distributions Heating temperature distributions...
Страница 47: ...IDU Compact Cassette 15 Heating airflow velocity distributions Heating temperature distributions...
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Страница 115: ...IDU Super Slim Casstte 54 36k 42k 48k 55k...
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Страница 131: ...IDU Duct 7 6 Fan Performance 12K...
Страница 132: ...IDU Duct 8 18K...
Страница 133: ...IDU Duct 9 24K...
Страница 134: ...IDU Duct 10 30K 36K...
Страница 135: ...IDU Duct 11 42K 48K...
Страница 136: ...IDU Duct 12 55K...
Страница 165: ...IDU Duct 41 12k 18k 24k 30k...
Страница 166: ...IDU Duct 42 36k 42k 48k 55k...
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Страница 179: ...35mm 1 38in...
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Страница 256: ...IDU Floor Ceiling 82 36k 48k 55k...
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Страница 267: ...Outdoor Unit 3 Panel Plate B30...
Страница 268: ...Outdoor Unit 4 Panel Plate BA30...
Страница 269: ...Outdoor Unit 5 Panel Plate CA30...
Страница 270: ...Outdoor Unit 6 Panel Plate D30...
Страница 271: ...Outdoor Unit 7 Panel Plate X230...
Страница 272: ...Outdoor Unit 8 Panel Plate X330...
Страница 273: ...Outdoor Unit 9 Panel Plate X430...
Страница 274: ...Outdoor Unit 10 Panel Plate E30...
Страница 275: ...Outdoor Unit 11 Panel Plate 590...
Страница 276: ...Outdoor Unit 12 2 Service Place...
Страница 285: ...Outdoor Unit 21 UO70Xo UO90Xo UO100Xo UO100Xo3F...
Страница 286: ...Outdoor Unit 22 UO120Xo UO140Xo UO160Xo...
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Страница 295: ...Outdoor unit printed circuit board diagram 17122000044714 17122000048121 17122000046453...
Страница 297: ...Outdoor unit printed circuit board diagram 17122000048064...
Страница 299: ...Outdoor unit printed circuit board diagram 17122000047742 1 3 4 6 8 9 5 7 10 12 11 2 13...
Страница 302: ...Outdoor unit printed circuit board diagram 17122000041841...
Страница 304: ...Outdoor unit DC motor driver board diagram 17122000021912 5 6 1 2 3 4...
Страница 320: ...3 IDU Installation Duct Connector Connector...
Страница 352: ...Product Features 13 Remote LCD Screen Indicators...
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Страница 552: ...email info rotenso com www rotenso com INSTALLER STAMP...