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[
IX
Troubleshooting ]
- 171 -
HWE07010
GB
1. Error
Code
Power supply sync signal abnormality
2. Error
definition and error detection method
The frequency cannot be determined when the power is switched on.
3. Cause, check method and remedy
1. Error
Code
Motor abnormality
2. Error
definition and error detection method
LOSSNAY
∗
The motor keep running even if the power is OFF.
∗
The thermal overload relay is ON. (Only for the three-phase model)
Indoor unit
If detected less than 180rpm or more than 2000rpm, the indoor unit will restart and keep running for 3 minutes.If detected
again, the display will appear.
3. Cause, check method and remedy
4115
Cause
Check method and remedy
(1)
Power supply error
Check the voltage of the power supply terminal
block (TB1).
(2)
Noise filter problem
Coil problem
Circuit board failure
Check the coil connections.
Check for coil burnout.
Confirm that the voltage at the CN3 connector is
198 V or above.
(3)
Faulty wiring
Check fuse F01 on the control board.
(4)
Wiring failure
Between noise filter CN3 and noise filter CN2 and con-
trol board CNAC
Confirm that the voltage at the control board con-
nector CNAC is 198 V or above.
(5)
Control board failure
If none of the items described above is applicable,
and if the trouble reappears even after the power is
switched on again, replace the control board.
4116
Cause
Check method and remedy
(1)
Board failure
Replace the board.
(2)
Motor malfunction
Check for the motor and the solenoid switch.
(3)
Solenoid switch malfunction
Содержание PUHY-(E)P300
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Страница 256: ... 247 HWE07010 GB X LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 249 ...
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