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[ IX Troubleshooting ]
- 210 -
HWE08040 GB
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 model total (capacity code total) of in-
door units connected.
2) Check the model name (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 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 model name (ca-
pacity code).
(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.
72 model
96 model
120 model
144 model
168 model
192 model
216 model
240 model
264 model
288 model
312 model
336 model
360 model
96
124
156
187
218
249
280
312
343
374
405
436
468
Model
Capacity Total
72 model
96 model
120 model
SW5
OFF ON OFF OFF
ON ON OFF OFF
OFF OFF ON OFF
1234
Model