Service Manual

Push switch on
outdoor unit PCB
[ F3 ]
Function mode
Push switch on
outdoor unit PCB
[ F9 ]
Error history mode
ITEM
CODE No.
Error history
operation
Classification
Meaning of Error History Number
ITEM
CODE No.
Information contentsClassification
00
01
02
03
04
05
06
07
08
09
10
11
22
21
30
31
32
35
40
91
33
01
00
02
Heating test run Forced thermostat-ON in Heating
Test run stop Test run is stopped
03,04
Forbidden
Install and
maintenance 1
Signal amplifier automatic address
Automatic address setting operates for signal amplifier
Indoor unit automatic address
Automatic address setting operates for indoor unit of same
refrigerant circuit
RB unit automatic address
Automatic address setting operates for RB unit of same
refrigerant circuit
Vacuuming mode
Vacuuming mode operates
Refer to page 01-01 for the function
Clear Error history clear
Current time clear Accumulated current time becomes [ 0 ]
INV compressor accumulated time clear
Accumulated time of the INV compressor becomes [ 0 ]
Field setting all clear Return to default the all set items
Install and
maintenance 2
Forbidden
Abnormal Abnormal reset
It was displayed when abnormality occurs, and abnormal
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
Specialty
function
Forced Central control function forced release 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
*
1 time ago (Newest) When the error occurred, the error code is memorized up to
10 on Main PCB.
2 times ago
5 times ago
10 times ago (Oldest)
4 times ago
If the memorized error code becomes over 10, the oldest one
will be erased.
Refer to Chapter TROUBLE SHOOTING
Error Code List of Outdoor unit
3 times ago
6 times ago
7 times ago
8 times ago
9 times ago
<< Error code which manual error release will be required >>
A5.1 Low pressure abnormal
84.1 Current sensor 1 error
93.1 Inverter compressor start up error
94.1 Trip detection
A1.1 Discharge temperature 1 abnormal
A3.1 Compressor 1 temperature abnormal
97.1 Outdoor unit fan motor lock error
97.5 Fan motor temperature abnormal
97.9 Fan motor driver abnormal
68.2 Rush current limiting resister temp rise protection
95.5 Compressor motor loss of synchronization
A6.3 Outdoor heat exchanger 1 gas temperature abnormal
A6.4 Outdoor heat exchanger 2 gas temperature abnormal
All the abnormal code histories are cleared
Forced thermostat-ON in Cooling
Forced
Cooling test run
Setting Mode Setting Function
code is reset
released
01-24