Haier FlexFit Pro Series Service Manual page 94

5.6 Checking current outdoor unit error code
If there is malfunction on the outdoor unit, the LED digital display will flashing like this repeating pattern:
Error code number flashing
Example:
For an explanation of error codes, refer to the outdoor unit troubleshooting guide.
5.7 View previous error record (diagnosis mode)
Step1: Press and hold the MODE button for 5 seconds and release, then the LED digital display will show the
current mode and will keep flashing.
Step2: Scroll up or down to view other modes.
Step3: Find mode "dig", press and hold the SET button for 3 seconds, then release.
Step3: When DIG is displayed, press and hold the SET button for 3 seconds then release. The LED will display the
last recorded error code.
Step4: Scroll pages to view the other last 10 times error code by using the UP or DOWN button. If only N (N≤10)
error has been recorded,, you can just find last N times error record.
Fig.7.1 shows steps above.
LED digital display extinguished
Extinguished
90
FlexFit Pro