Airwell YBZE218-324-430, Service Manual

Page: 47 / 68

CONTROL SYSTEM
Service Manual
– YBZE DCI 1-A.1 GB
12-11
compressor has run for 7min) , it can not resume running automatically and display malfunction, it
can resume by power reset.
12.7.11 Compressor overload protection
If the compressor OLP is opened, the system will stop as protection
If the OLP is resumed and compressor has stopped for 3min, the unit will be allowed to
operate.
If the unit stops as compressor overload protection occurred for 6 times continuously ( the
counter will be cleared after the compressor has run for 30min) , it can not resume running
automatically and display malfunction, it can resume by power reset.
12.7.12 Compressor Phase protection
If any phase is detected open when compressor starting, the system will stop as protection.
The protection will be cleared after 1 min and system will try to restart.
If the unit stops as Phase protection for 6 times (the counter will be cleared after the compressor
has run for 7min) , it can not resume running automatically and display malfunction, it can resume by
power reset.
12.8 Operating the Unit from the ON/OFF Button
The ON/OFF button allows to operate the unit in AUTO mode, the microcomputer will monitor the
room temperature and select the (COOL, HEAT, FAN) mode automatically, and temperature/Fan
speed settings can not be changed.
12.9 Indoor Unit Controllers and Indicators
The following is schematic drawing for the display:
RUN INDICATOR
1.
Lights up when the Air Conditioner is connected to power and
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