3-12
SM-18003
TROUBLESHOOTING
Indoor Unit PCB
Outdoor Unit PCB
Normal
Normal
Abnormality of Inlet Air Temp. Thermistor
Abnormality of Transmission of Outdoor Unit
Abnormality of Outlet Air Temp. Thermistor
ITO Input Failure
Abnormality of Liquid Pipe Temp. Thermistor
PSH Input Failure
Abnormality of Remote Thermistor
Abnormality of Protection Signal Detection Circuit
Abnormality of Gas Pipe Temp. Thermistor
Abnormality of Phase Detection
Abnormality of Transmission of Central Station
Abnormality of Transmission of Inverter
Abnormality of EEPROM
Abnormality of High Pressure Sensor
Zero Cross Input Failure
Abnormality of Comp. Discharge Gas Temp. Thermistor
Abnormality of Transmission of I.U. during Check
Abnormality of Low Pressure Sensor
Abnormality of Evaporating Temp. Thermistor at Heating
Abnormality of Ambient Air Temp. Thermistor
< Results of Check Table >
(1) Press and hold “Menu” and “ECO”
simultaneously for three seconds during the
normal mode.
Check Menu is displayed.
Check Menu
Self Checking
02
/
02
I. U./O. U. PCB Check
Entr
Sel.
Rtrn
Back
OK
(2) Select “I.U./O.U. PCB Check” from the Check
Menu and press “OK”.
(3) Select the indoor unit to be set by pressing
“
” and press “OK”. This screen is NOT
displayed when there is only one indoor unit
connected with the wired controller. In this case,
(4) below will be displayed.
I.U./O.U. PCB Check
01-01
02-01
03-01
04-01
04-02
04-03
04-04
03-02
03-03
03-04
01-02
02-02
02-03
02-04
01-03
01-04
Sel.
OK
Entr
Rtrn
Back
(4) The indoor unit PCB and the outdoor unit PCB
checks are started.
* If “Menu“ is pressed during the check, the
check is canceled and the screen will return to
(2).
* If “Back/Help” is pressed during the check, the
check is canceled and the screen will return to
(3) above.
Check 1: Checking
Check 2: Checking
Check 3: Checking
I.U./O.U. PCB: Check 01-01
(5) After completing the check, the results of the
PCB check will be indicated. Press “Back/Help”
and return to (3) above.
Check 1: 00
Check 2: 00
Check 3: 00
I.U./O.U. PCB: Check 01-01
(3) I.U./O.U. PCB Check
Summary of Contents for CICM008B21S
Page 2: ......
Page 10: ...viii SM 18003 ...
Page 15: ...SM 18003 1 1 INSTALLATION 1 Installation ...
Page 19: ...SM 18003 2 1 OPERATION 2 Operation ...
Page 20: ...2 2 SM 18003 OPERATION 2 1 Indoor Unit Refer to the Operation Manual for Mini Cassette ...
Page 22: ......
Page 23: ...SM 18003 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Page 73: ...MAINTENANCE SM 18003 4 1 4 Maintenance ...
Page 138: ......
Page 139: ...SM 18003 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Page 148: ...6 10 SM 18003 FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A f t 3 l b ...
Page 149: ...SERVICE PARTS LIST SM 18003 7 1 7 Service Parts List ...
Page 150: ...SERVICE PARTS LIST 7 2 SM 18003 Refer to the Service Parts List for Mini Cassette ...
Page 151: ......
Page 152: ... 2018 Johnson Controls Inc SM 18003 Code No LIT 12013034 Issued April 2018 ...