Installation manual

[ IX Troubleshooting ]
- 250 -
HWE10040 GB
7100
1. Error Code
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,
7100
Error source Cause Check method and remedy
Outdoor unit (1) The model total of indoor units in the sys-
tem with one outdoor unit exceeds the fol-
lowing table.
1) Check the Qj total (capacity code total) of indoor
units connected.
2) Check the Qj setting (capacity code) of the con-
nected indoor unit set by the switch (SW2 on in-
door unit board).
When the model name set by the switch is differ-
ent 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 (capacity code).
3) Indoor unit Qj table
(2) The model selection switches (SW5-1 - 5-
4) on the outdoor unit are set incorrectly.
Check the setting for the model selection switch
on the outdoor unit (Dipswitches SW5-1 - 5-4 on
the outdoor unit control board).
(3) The outdoor unit and the auxiliary unit
(OS) that is connected to the same system
are not properly connected.
Confirm that the TB3 on the OC and OS are
properly connected.
Qj Total
Model
200 model
250 model
300 model
350 model
400 model
450 model
500 model
550 model
600 model
650 model
700 model
750 model
800 model
850 model
900 model
950 model
1000 model
1050 model
1100 model
1150 model
1200 model
1250 model
53
69
86
96
108
121
138
155
172
177
190
207
224
241
258
254
270
284
296
312
324
338
15
20
25
32
40
50
63
71
80
100
125
140
200
250
3
4
5
6
8
10
13
14
16
20
25
28
40
50
Model
Qj
200 model
250 model
300 model
350 model
400 model
450 model
SW5
OFF
ON
OFF
OFF
ON
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
1 2 3 4
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Model