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[7-9 Error Code Definitions and Solutions: Codes [7000 - 7999] ]
7-9
Error Code Definitions and Solutions: Codes [7000 - 7999]
7-9-1
Error Code [7100]
1. Error code definition
Total capacity error
2. Error definition and error detection method
The model total of indoor units in the system with one outdoor unit exceeds limitations.
3. Error source, cause, check method and remedy,
After troubleshooting the error using the check methods and remedies shown below, turn the power back on.
Error source
Outdoor unit
(1)
The model total of indoor units in the system with
one outdoor unit exceeds the following table.
(2)
The model selection switches (SW5-3 - 5-8) on
the outdoor unit are set incorrectly.
(3)
The outdoor unit and the auxiliary unit (OS) that
is connected to the same system are not proper-
ly connected.
64
- chapter 7
Cause
Model
Qj Total
200 model
53
250 model
69
400 model
108
500 model
138
SW5
Model
3
4
5
HP200 model
OFF
ON
ON
OFF
OFF
HP250 model
ON ON
ON OFF OFF
1)
Check the Qj total (capacity code total) of in-
door units connected.
2)
Check the Qj setting (capacity code) of the
connected indoor unit set by the switch (SW2
on indoor unit board).
When the model name set by the switch is dif-
ferent from that of the unit connected, turn off
the power source of the outdoor and the indoor
units, and change the setting of the Qj (capac-
ity code).
3)
Indoor unit Qj table
Check the setting for the model selection
switch on the outdoor unit (Dipswitches SW5-
3 - 5-8 on the outdoor unit control board).
6
7
8
ON
OFF
ON
Confirm that the TB3 on the OC and OS are
properly connected.
Check method and remedy
Model
Qj
10
2
15
3
20
4
25
5
32
6
40
8
50
10
63
13
71
14
80
16
100
20
125
25
140
28
200
40
250
50
BS_07_L
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Chapters
Troubleshooting
