5-3
Troubleshooting
5-2-2 Error mode display of outdoor unit board
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YELLOW
LAMP of inverter PBA
BLUE
RED
Description
Normal operation and communication(Indoor - Outdoor unit)
Abnormal communication(Indoor - Outdoor unit)
Trouble of the control power of the outdoor
Abnormal increase of heatsink temperature
Abnormal increase of discharge temperature
Abnormal increase of operation current
Abnormal increase of OLP temperature
Over current of IPM circuit
Over voltage of IPM circuit
Over voltage and current of PFC circuit
Trouble of option setting
Trouble of discharge temp-sensor (open/short)
Trouble of AC current sensor (open/short)and Leakage of refriger-
ant(R-22)
Trouble of outdoor temp-sensor (open/short)
Trouble of deice temp-sensor (open/short)
Trouble of heatsink temp-sensor (open/short)
Trouble of DC link voltage circuit
Trouble of OLP temp-sensor (open/short)
: LAMP ON
: LAMP FLICKERING
: LAMP OFF
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Samsung Electronics
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