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[ IX Troubleshooting ]
- 283 -
HWE09080 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 heat source unit exceeds limitations.
3. Error source, cause, check method and remedy,
7100
Error source Cause Check method and remedy
Heat source
unit
(1) The model total of indoor units in the sys-
tem with one heat source unit exceeds the
following table.
1) Check the model total (capacity code total) of
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 heat source and the indoor
units, and change the setting of the model name
(capacity code).
(2) The model selection switches (SW5-1 - 5-
4) on the heat source unit are set incor-
rectly.
Check the setting for the model selection switch
on the heat source unit (Dipswitches SW5-1 - 5-
4 on the heat source unit control board).
(3) The heat source 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.
P72 model
P96 model
P120 model
P144 model
P168 model
P192 model
P216 model
P240 model
P264 model
P288 model
P312 model
P336 model
P360 model
93
124
156
187
218
249
280
312
343
374
405
436
468
P72 model
P96 model
P120 model
P144 model
P168 model
P192 model
P216 model
P240 model
108
144
180
216
252
288
324
360
Capacity Total
Model
<PQHY>
Capacity Total
Model
<PQRY>
72 model
96 model
120 model
SW5
OFF ON OFF OFF
ON ON OFF OFF
OFF OFF ON OFF
1234
Model