AirStage ARXB07LALH, Service Manual

Page: 40 / 207

02-12
Protective Function Detect Parts
Operating Condition Operation
Low Pressure
Protection 4
Low Pressure
Sensor
COOL HEAT
High Pressure
Protection Stop 1
High Pressure
Sensor
<Pattern starting condition>
High-pressure 4.00MPa
<Pattern reset condition>
5 minutes have elapsed and high-pressure 3.50MPa
Compressor stopped
<Pattern starting condition>
Pattern generated 3 times within 60 minutes.
<Pattern reset condition>
10 minutes have elapsed and high-pressure 3.50MPa
Pressure Switch
<Pattern starting condition>
Pressure SW operated (Operated by high-pressure 4.20MPa)
<Pattern reset condition>
5 minutes have elapsed and pressure SW operation reset
(Reset by high-pressure 3.2MPa)
Compressor stopped
High Pressure
Protection Stop 2
<Pattern starting condition>
Pattern generated 3 times within 60 minutes.
<Pattern reset condition>
10 minutes have elapsed and pressure SW operation reset
(Reset by high-pressure 3.2MPa)
Compressor stopped
Error display
<Starting conditions>
Low-pressure 0.20MPa
<Reset conditions>
5 minutes have elapsed and low-pressure 0.30MPa
SV2 ON
Low Pressure
Protection 1
Low Pressure
Sensor
<Starting conditions>
Low-pressure 0.10MPa
<Reset conditions>
3 minutes have elapsed and low-pressure 0.17MPa
SV2 ON
<Starting conditions>
3 minutes have elapsed and low-pressure 0.18MPa
<Reset conditions>
3 minutes have elapsed and low-pressure 0.22MPa
EEV of stopped indoor unit opened quickly
(450pls)
Abnormal Low
Pressure Protection
Control
Low Pressure
Sensor
<starting condition>
Low-pressure 0.16MPa
Compressor capacity lowered every 180 secs,
Low Pressure
Protection Stop
Low Pressure
Sensor
<Pattern starting condition>
Low-pressure 0.05MPa or low-pressure 0.10MPa continues for 10 mins
<Pattern reset condition>
3 minutes have elapsed and low-pressure 0.17MPa
<Pattern starting condition>
Pattern generated 5 times within 180 minutes.
<Pattern reset condition>
Error reset (push button SW) executed after power turned on again.
Compressor stopped
(permanent stop)
Error display
Low Pressure
Sensor
Low Pressure
Protection 2
<reset condition>
3 minutes have elapsed and
low-pressure 0.18MPa
Compressor stopped
DISPLAY
Compressor Temp
Protection Stop
Compressor
Temp
Thermistor
<Pattern starting condition>
Compressor temperature fixed value (110°C)
<Pattern reset condition>
3 minutes have elapsed and discharge temperature 80°C
Compressor stopped
Compressor stopped
(permanent stop)
Error display
<Pattern starting condition>
Pattern generated 2 times within 40 minutes
<Pattern reset condition>
Error reset (push button SW) executed after power turned on again
P2
EA41
EA31
EA42
P4
P3
EA51
when the Low-pressure becomes more than
0.17MPa, prohibit compressor capacity rise.
P2
Compressor stopped