Service Manual
Page 9
.... Safety Precautions Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. • It may cause a problem for your health. Wax Thinner Service Manual 9 I Operational Do not expose the skin directly to sea wind (salt spray) directly. • Avoid personal injury. •...
.... Safety Precautions Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. • It may cause a problem for your health. Wax Thinner Service Manual 9 I Operational Do not expose the skin directly to sea wind (salt spray) directly. • Avoid personal injury. •...
Service Manual
Page 71
... circuit of the Vertical Louver • Confirm that there is a soldering short at following terminals. - Between 1 , 2 , 3 , 4 and 5 of CN-UP/DOWN If there are no problems after above checks • Confirm the assembly conditions that there is DC +12V between pin (RED) of CN-UP/DOWN and GND. • Confirm that...
... circuit of the Vertical Louver • Confirm that there is a soldering short at following terminals. - Between 1 , 2 , 3 , 4 and 5 of CN-UP/DOWN If there are no problems after above checks • Confirm the assembly conditions that there is DC +12V between pin (RED) of CN-UP/DOWN and GND. • Confirm that...
Service Manual
Page 73
... "Live", "Neutral". 3. Check the resistance between communication line and GND.(Normal : Over 2MΩ) 4. If one indoor unit is operated normally, outdoor PCB is no problem. ➔ Check the another indoor unit. * CH05 is displayed at outdoor unit. Check the input power AC 230V.(Outdoor, Indoor) 2. Error code Title 05 / 53...
... "Live", "Neutral". 3. Check the resistance between communication line and GND.(Normal : Over 2MΩ) 4. If one indoor unit is operated normally, outdoor PCB is no problem. ➔ Check the another indoor unit. * CH05 is displayed at outdoor unit. Check the input power AC 230V.(Outdoor, Indoor) 2. Error code Title 05 / 53...