5-2-1-13
5
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.
•
.
1.
For information on the remote control’s detailed settings, refer to the Reference Materials.
•
The alarm also occurs when the indoor unit cannot be recognized (indoor unit only blackout, disconnection of indoor/outdoor
operation line, etc.) during auto address setting.
•
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.
•
Is the indoor unit powered off?
1-1
3-1 Was the number of indoor units changed after auto address setting
finished?
Conduct checks prior to auto address setting.
3-2
Power on
2-1
Yes
No
2
Is the indoor/outdoor wiring connected correctly?
3-1
2-1
Yes
Correct the wiring
No
Indoor/
outdoor
wiring
3 No. of
Indoor
Units
1 Power
Source
2. Error Diagnosis
3-2
Yes
4-1
No
Replace wireless remote control parts including wiring.
4-4
Is the LED blinking on the indoor unit’s control PC board?
4-5
4-6
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.)
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.
4-7
Are the CHK Pin and TEST Pin on the indoor unit control board
short-circuited?
Be sure that the detailed setting items are made at factory setting.
4-2
4-1
Is the wireless remote controller connected to on the indoor unit’s
control PC board?
4-3
4-5
Yes
4-6
No
Remove the short
4-3
Yes
No
4-2
Correct the setting
Run the auto address
Yes
No
4-4
Yes
4-6
No
4 Indoor
unit
control
PC board
unit control
5 Outdoor
PC board
4-7
Yes
5-1
No
Factory setting
Item code
Item
Value
11
0
99
99
99
Indoor unit capacity
Indoor unit address
Group conrol address
System address
12
13
14
[ U3, F3 ]
SM830283-00_欧州向け R32シングル36-71形TD&SM.indb 13
2020/01/29 21:17:47
Содержание S-3650PF3E
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