Condition Of Installation; Unit Defect - Samsung SH09BWHA Service Manual

6-3-11 (L) 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 the outdoor control board.
•
6-3-12 (M) 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.
•
Unit defect
• If the comp is locked.
→ Replace the comp.
•
• If the comp is operating without the revolution of fan motor
→ Take out the protection cover.
•
→ Check the fan motor connector and replace the fan motor.
•
Samsung Electronics
Troubleshooting
25