Installation manual

[ IX Troubleshooting ]
- 276 -
HWE10050 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.
(E)P200 model
(E)P250 model
(E)P300 model
(E)P350 model
(E)P400 model
(E)P450 model
(E)P500 model
(E)P550 model
(E)P600 model
(E)P650 model
(E)P700 model
P750 model
P800 model
P850 model
P900 model
300
375
450
525
600
675
750
825
900
975
1050
1125
1200
1275
1350
Qj Total
Model
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
(E)P200 model
(E)P250 model
(E)P300 model
(E)P350 model
P400 model
P450 model
SW5
OFF
ON
OFF
OFF
OFF OFF OFF
ON
ON
ON
OFF
ON
ON
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
1234
Model