5-11
5
E16 Automatic Address Alarm (The total capacity of indoor units is too high.)
Error Detection Method
Error Diagnosis
It is judged an error the total capacity of indoor units is too high or the total number of indoor units is too many.
1.
2.
1
The total capacity of indoor units is too high.
•
The total number of indoor units is too many.
•
Check all items under the section “Check Prior to Auto Address Setting”.
1-1
Auto
Address
F04 Compressor Discharge Temperature Sensor (TD) Trouble
Error Detection Method
Error Diagnosis
It is judged an error based on the criteria listed below.
Open circuit or Short circuit
•
1.
2.
Sensor connector is connected to PC board properly.
1-1
Sensor is correctly installed at holder side.
1-2
1-2
Reconnect and check.
Replace sensor.
Correct and see what
happens.
1-3
Yes
No
1 Sensor
2 PC board
3 Operating
status
Yes
No
Resistance between connector pins on PC board is less than
1 k ohm.
2-1
Replace PC board.
2-2
Yes
No
Peripheral temperature of outdoor unit is over 46°C.
3-1
Check noise.
3-3
Correct
3-2
Yes
No
Tends to have insufficient refrigerant charge in the system.
3-2
Adjust the amount
of refrigerant.
3-3
Yes
No
Abnormal temperature exists even after replacing PC board.
2-2
3-1
See what happens.
Yes
No
Abnormal temperature exists even after replacing sensor.
1-3
2-1
See what happens.
Yes
No
POWER LED (D002)
EEPROM (IC010)
EMG (CN044) OC (CN040)
DISP (CN063)
CHK (CN062) T10 (CN061)
EXCT (CN073)
JP001
FAN DRIVE (CN032)
E15 Automatic Address Alarm (The total capacity of indoor units is too low.)
Error Detection Method
It is judged an error the total capacity of indoor units replied by communication is lower than that of outdoor unit.
Connecting indoor unit
The total capacity of indoor units is lower than that of outdoor unit.
•
Some indoor unit(s) are connected but power is not turned on.
•
The CHK pin (CN062/CN071) and/or TEST pin (CN064) of the indoor unit is shorted when its power is turned on.
•
High voltage was applied (over AC200V) in the indoor/outdoor operations line circuit.
•
1.
Is the indoor unit powered off?
1-1
Was the number of indoor units changed after auto address setting
finished?
3-1
Conduct checks prior to auto address setting.
3-2
3-2
3-1
Yes
No
Power on.
2-1
Yes
No
Was a high voltage (over AC200V) applied in the indoor/outdoor
operations line circuit?
2-2
2
Is the indoor/outdoor control line opened or shorted?
2-1
Correct the wiring.
2-2
Yes
No
Indoor/
outdoor
control line
3 No. of
Indoor
Units
1 Power
Source
Error Diagnosis
2.
3-2
4-1
Yes
No
Disconnect the connector mentioned above on the control PC board
of the indoor unit control PC board and see whether the E15 goes off
after several minutes. (When doing so, if two remote controllers are
being used and the wireless remote controller is the main remote
controller, set the other remote controller as the main.)
Replace wireless remote control parts including wiring.
4-3
4-4
Is the LED blinking on the indoor unit’s control PC board?
4-5
Check all items under the section “Check Prior to Auto Address Setting”.
5-1
The nonvolatile memory (EEPROM) on the indoor unit’s control board is either not installed,
improperly installed or the nonvolatile memory is faulty. Correct this or after replacing the
nonvolatile memory, write model data to it in the remote control detailed settings mode.
4-6
Are the CHK pin and TEST pin on the indoor unit control board
short-circuited?
4-1
Is the wireless remote controller connected to on the indoor unit’s
control PC board?
4-2
4-4
4-5
Yes
No
Remove the short.
4-2
Yes
No
4-3
4-5
Yes
No
4 Indoor
unit
control
PC board
5 Outdoor
unit control
PC board
4-6
5-1
Yes
No
For information on the remote control’s detailed settings, refer to the Reference Materials.
•
For information on the procedures for replacing the nonvolatile memory (EEPROM) of the indoor unit, refer to the manual
that is packaged with the indoor unit service board.
•
Indoor Unit Control PCB
C3937-840-1Y : S-160PE1R5B
ACXA73-3081* : S-180PE3R5B, S-200PE3R5B, S-224PE3R5B
RC
EEPROM
POWER LED
EMG OC
OPTION
EXCT
DISP JP001
CHK Pin
T10
FAN DRIVE
SM830277-00_大洋州向け R32シングル_TD&SM.indb 11
19/02/28 13:37:08
Summary of Contents for S-160PE1R5B
Page 12: ...MEMO Xi SM830277 00_ R32 _TD SM indb 12 19 02 26 9 34 28...
Page 136: ...MEMO 2 16 SM830277 00_ R32 _TD SM indb 16 19 02 28 13 25 27...
Page 164: ...MEMO 4 22 SM830277 00_ R32 _TD SM indb 22 19 02 21 11 54 26...
Page 202: ...MEMO 5 38 SM830277 00_ R32 _TD SM indb 38 19 02 28 13 37 39...
Page 274: ...201903 SM830277 00_ R32 _TD SM indb 1 19 02 12 9 03 53...
