York R-410A, Technical & Service Manual, Page: 311 / 385

Controller
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Liquid crystal matrix display description:
1. The liquid crystal matrix is composed of 4*64 grids, and each grid is composed of two
blocks of different sizes (as shown in the above figure).
2.
The matrix includes horizontal coordinates 00-15 on the upper side and vertical coordinates
00+, 16+, 32+ and 48+ on the left side, which indicate the address of the indoor unit. The sum
of the horizontal coordinate and the vertical coordinate of the grid is the address of the grid.
Each grid corresponds to an indoor unit of this address.
3.
One grid is composed of two blocks of different sizes. The status
Indication table is as follows:
Status
Object
Constantly
on Slow
blink
Fast blink
Big black block In-service Selected
Out of
service
Small black
block
Power on
Fault of
indoor unit
Power off
LCD display description
1. Description of the standby page