Table of Contents
[ IX Troubleshooting ]
1. Error Code
7100
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,
Error source
Outdoor unit
(1)
(2)
(3)
HWE07130
Cause
The model total of indoor units in the sys-
tem with one outdoor unit exceeds the fol-
lowing table.
Model
Capacity Total
(E)P200 model
300
P250 model
375
(E)P300 model
450
P350 model
525
(E)P400 model
600
(E)P450 model
675
(E)P500 model
750
(E)P550 model
825
(E)P600 model
900
P650 model
975
P700 model
1050
P750 model
1125
P800 model
1200
The model selection switches (SW5-1 - 5-
4) on the outdoor unit are set incorrectly.
SW5
Model
1
2
(E)P200 model
OFF
ON
P250 model
ON
ON
(E)P300 model
OFF
OFF
P350 model
OFF
ON
P400 model
ON
ON
The outdoor unit and the auxiliary unit
(OS) that is connected to the same system
are not properly connected.
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).
Check the setting for the model selection switch
on the outdoor unit (Dipswitches SW5-1 - 5-4 on
the outdoor unit control board).
3
4
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
Confirm that the TB3 on the OC and OS are
properly connected.
- 228 -
Check method and remedy
GB
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