Table of Contents
[7-9 Error Code Definitions and Solutions: Codes [7000 - 7999] ]
3. Error source, cause, check method and remedy,
Error source
Outdoor unit
(1) The model total of indoor units in the system
with one outdoor unit exceeds the following ta-
ble.
(2) The model selection switches (SW5-3 - 5-8) on
the outdoor unit are set incorrectly.
EP200 model
EP250 model
EP300 model
EP350 model
EP400 model
EP450 model
EP500 model
(3) The outdoor unit and the auxiliary unit (OS) that
is connected to the same system are not prop-
erly connected.
HWE1314A
Cause
Qj Total
Model
(E)P200 model
300
(E)P250 model
375
(E)P300 model
450
(E)P350 model
525
(E)P400 model
600
(E)P450 model
675
(E)P500 model
750
(E)P550 model
825
(E)P600 model
900
(E)P650 model
975
(E)P700 model
1050
(E)P750 model
1125
(E)P800 model
1200
(E)P850 model
1275
(E)P900 model
1350
SW5
Model
3
4
5
6
P200 model
OFF ON OFF OFF
P250 model
ON
ON OFF OFF
P300 model
OFF OFF ON OFF
P350 model
OFF ON
ON OFF
P400 model
ON
ON
ON OFF
P450 model
OFF OFF OFF ON
P500 model
ON OFF OFF ON
OFF ON OFF OFF ON
ON OFF OFF ON
ON
OFF OFF ON OFF ON
ON OFF ON
OFF ON
ON
ON
ON OFF ON
OFF OFF OFF ON
ON OFF OFF ON
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
Check the setting for the model selection switch
on the outdoor unit (Dipswitches SW5-3 - 5-8 on
the outdoor unit control board).
7
8
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
Confirm that the TB3 on the OC and OS are
properly connected.
- 285 -
Check method and remedy
Model
Qj
15
3
20
4
25
5
32
6
40
8
50
10
63
13
71
14
80
16
100
20
125
25
140
28
200
40
250
50
GB
Chapters
Table of Contents
Troubleshooting
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