Haier H-MRV Series Service Manual page 138

Outdoor PMV2 Outdoor PMV2 compelled fully
fully open, open or close in 2 minutes
closed function
2. Specification for SW03
The two switches of SW03 should be ON or OFF at the same time.
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[set]
SW01"3", SW02"10", press SW04 for more than
2 seconds
[confirmation]
in 2 minutes, 7-segment LED of base board I/F
will display "FF" all the time
[cancel]
the control software will recover PMV to normal
open degree after 2 minutes （ after indoor
software receives the signal of fully open from
outdoor, PMV will fully open only in 2 minutes.）
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