Haier AW07LC2VHA Technical Overview page 106

Does it start up normally but the error
occurs again after a short period of time?
Check whether the wiring between the indoor
and outdoor units is properly connected
PAGE 106
FLOW CHARTS
LED1 flashes 15 times
• A defective outdoor PCB can cause communication errors
• A defective indoor PCB can cause communication errors
•The indoor PCB is defective
•The outdoor PCB is defective
• The Module PCB is defective
• Communication wiring is disconnected
Caution: Be sure to turn power switch off before connecting or disconnecting the connector, or
parts may sustain damage.
Restart the system
YES
Continues on following page
Reconnect the wiring or
YES
replace it
REFERENCES