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[ 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)
HWE10010
Cause
The model total of indoor units in the sys-
tem with one outdoor unit exceeds the fol-
lowing table.
Model
Capacity Total
200 model
260
250 model
325
300 model
390
350 model
455
400 model
520
450 model
585
500 model
650
550 model
715
600 model
780
845
650 model
700 model
910
750 model
975
800 model
1040
850 model
1105
900 model
1170
The model selection switches (SW5-1 - 5-
4) on the outdoor unit are set incorrectly.
SW5
Model
1
2
200 model
OFF
ON
OFF
250 model
ON
ON
OFF
300 model
OFF
OFF
ON
350 model
OFF
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
Confirm that the TB3 on the OC and OS are
properly connected.
- 201 -
Check method and remedy
GB
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Table of Contents
Troubleshooting
