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SAMSUNG SH12V21
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of SAMSUNG SH12V21 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

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Text excerpt from page 27 (click to view)
Troubleshooting

5-3-10 (N) Check of instantaneous over-current protection of IPM circuit.
Inverter instantaneous over-current protection mode is the mode to be actuated in order to prevent the damage of elements from the peak current of IPM circuit elements. In case that the inverter circuit instantaneous over-current protection mode actuates.

(condition of installation)

♦The ventilation is not good because the outdoor unit is installed wrong (the ambient temperature is higher than 50 (°C) ) -> Reinstall the outdoor unit so that the good ventilation can be made. ♦In case that the operation is made with the cover bent of the outdoor unit. -> Take out the cover. ♦If two outdoor units are operating face to face, (the bad ventilation is made) -> Reinstall the outdoor unit for the good ventilation. ♦The air circulation is bad due to the attachment of falling leaves. -> Take away the leaves for the good ventilation. ♦If the Refrigerant is overcharged. -> Check the amount of Refrigerant.

(Unit defect)

♦If the comp is locked. -> Replace the comp. ♦If the comp is operating without the revolution of fan motor. -> Check the fan motor connector and replace the fan motor. ♦In case the parts of the control board is damaged. -> Replace simultaneously the inverter control board and the IPM board.

5-3-11 (O) Check of the comp discharge gas temperature and OLP temperature abnormal rise.
If the comp discharge gas temperature and OLP temperature rises higher than a certain level, it protects the circuit. If the comp discharge gas temperature and OLP temperature rises abnormally,

(Condition of installation)

♦The ventilation is not good because the outdoor unit is installed wrong (the ambient temperature is higher than 50 (°C) ) -> Reinstall the outdoor unit so that the good ventilation can be made. ♦In case that the operation is made with the cover bent of the outdoor unit. -> Take out the cover. ♦If two outdoor units are operating face to face, (the bad ventilation is made) -> Reinstall the outdoor unit for the good ventilation. ♦The air circulation is bad due to the attachment of falling leaves -> Take away the leaves for the good ventilation. ♦If the refrigerant is insufficient. -> Fill up the amount of refrigerant.

5-8

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