Push switch on
outdoor unit PCB
Forced operation
00
Cooling test run
Forced thermostat-ON in Cooling.
Function mode
01
Heating test run
Forced thermostat-ON in Heating.
02
Test run stop
Test run is stopped.
Install and
maintenance 1
10
Signal amplifier automatic address
Automatic address setting operates for signal amplifier.
11
Indoor unit automatic address
21
Vacuuming mode
Vacuuming mode operatesRefer to page 01-01 for the function.
Clear
30
Error history clear
All the abnormal code histories are cleared.
32
Current time clear
Accumulated current time becomes [ 0 ]
33
INV compressor accumulated time clear
Accumulated time of the INV compressor becomes [ 0 ]
35
Field setting all clear
Return to default the all set items.
Reset
40
Abnormal reset
It was displayed when abnormality occurs, and abnormal
code is reset.
This is a function that uses to clear abnormal display after the
repair is completed.
Please operate the switch after power off or power on
the outdoor unit.
Specialtyfunction
91
Foreced Central control function release
Maximum memorized indoor unit number is reset.
Setting Mode
ITEM
CODE No.
Setting Function
Install and
maintenance 2
*
Automatic address setting operates for indoor unit of same
refrigerant circuit.
[ F3 ]
01-17
Compressor Motor Loss of Synchronization
Compressor 1 Temperature Abnormal
Inverter Compressor Start Up Error
Discharge Temperature 1 Abnormal
Low Pressure Abnormal
Current Sensor 1 Error
Trip Detection
Rush Current Limiting Resistor Temp Rise Protection
Outdoor Unit FAN motor 1 Lock Error
Outdoor Unit FAN motor 2 Lock Error
< Reset Error Item List By Abnormal Reset Setting >
*
Push switch on
outdoor unit PCB
1 time ago (Newest)
Error History Mode
2 times ago
5 times ago
Meaning of Error History Number
ITEM
CODE No.
Information contents
[ F9 ]
00
01
02
03
04
05
06
07
08
09
Error history
10 times ago (Oldest)
4 times ago
3 times ago
6 times ago
7 times ago
8 times ago
9 times ago
When the centralized control device failure, and the centralized
control setting cannot be released, this function is used.
All the limitations set with the centralized control device are
released.
Maximum memorized indoor unit number reset
41
"E14.5:Indoor unit number shortage" error is cleared.
When the error occurred, the error code is memorized up to
10 on Main PCB.
If the memorized error code becomes over 10, the oldest one
will be erased.
Refer to Chapter 4.TROUBLE SHOOTING
4-2-3 Error Code List of Outdoor unit
12
The number of indoor units and the total capacity of indoor units
of same refrigerant circuit.
Indoor unit connection check
36
Clear memorized information of "F3 - 12 "
( Indoor unit connection check )
The information of the number of indoor units and the total
capacity of indoor units are cleared.
34
Constant Speed compressor accumulated
time clear
Not in Use on J-Series
90
Foreced Normal operation release
Normal operation foreced release
Summary of Contents for ARXB07LALH
Page 1: ...Small VRF system for light commercial and home use SERVICE MANUAL...
Page 2: ......
Page 6: ......
Page 7: ...1 TEST RUN...
Page 8: ......
Page 27: ...2 OUTDOOR UNIT OPERATION CONTROL...
Page 28: ......
Page 42: ......
Page 43: ...3 INDOOR UNIT OPERATION...
Page 44: ......
Page 63: ...4 TROUBLE SHOOTING...
Page 74: ......
Page 171: ...5 APPENDING DATA UNIT...
Page 172: ......
Page 174: ...05 02 5 2 WIRING DIAGRAM 5 2 1 Indoor Unit MODELS AUXB07 09 12 14 18 24LALH...
Page 175: ...05 03 MODELS AUXD18 24LALH AUXA30 36 45 54LALH...
Page 176: ...05 04 MODELS ARXB07 09 12 14 18LALH...
Page 177: ...05 05 MODEL ARXB24LATH MODELS ARXB30 36LATH...
Page 178: ...05 06 MODEL ARXB45LATH...
Page 179: ...05 07 MODEL ARXA24LATH MODELS ARXA30 36 45LATH...
Page 180: ...MODELS ARXC36 45LATH 05 08...
Page 181: ...05 09 MODELS ARXD07 09 12 14 18 24LATH...
Page 182: ...MODELS AB A12 14 18 24LBTH 05 10...
Page 183: ...05 11 MODELS AB A30 36 45 54LBTH...
Page 184: ...MODELS AS A07 09 12 14LACH 05 12...
Page 185: ...MODELS AS E07 09 12 14LACH 05 13...
Page 186: ...MODELS AS A18 24 30LACH 05 14...
Page 187: ...05 15 MODELS AJ A36 45 54LALH 5 2 2 Outdoor Unit...
Page 192: ......
Page 193: ...6 DISASSEMBLY PROCESS...
Page 194: ......