Haier Smart Power Series Service Manual page 198

5.3 What does the default display at non-checking mode?
It will following the steps below:
a. When outdoor unit gets power, the LED digital display will show the model's code first, as following list.
MODEL
1UH071N1ERG
1UH090N1ERG
1UH105N1ERG
1UH125P1ERG
1UH140P1ERG
1UH125P1ERK
1UH140P1ERK
1UH160P1ERG
b. Then after step a, if the communication between indoor & outdoor unit established correct, the LED digital display
will show the quantity of indoor units.
For single splits system, it will show 1UN.
For MAXI split system, it will show 2UN or 3UN or 4UN
c. Then after step b and if has reached the outdoor unit's start time, the LED digital display will indicate the indoor
unit's setting mode, cool or heat. This show will last 5 seconds.
MODEL CODE
24.1
30.1
36.1
48.2
60.2
48.4
60.4
72.2
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Smart Power
DISPLAY