Error Code Definitions And Solutions: Codes [7000 - 7999]; Error Code [7100] - Mitsubishi Electric PUHY-P200 Service Handbook

[7-9 Error Code Definitions and Solutions: Codes [7000 - 7999] ]

7-9 Error Code Definitions and Solutions: Codes [7000 - 7999]
7-9-1

Error Code [7100]

1. Error code definition
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)
HWE14040
Cause
The model total of indoor units in the system with
one outdoor unit exceeds the following table.
Model
Qj Total
200 model
250 model
300 model
350 model
400 model
450 model
500 model
550 model
600 model
650 model
700 model
750 model
800 model
850 model
900 model
950 model
1000 model
1050 model
1100 model
1150 model
1200 model
1250 model
1300 model
1350 model
The model selection switches (SW5-3 - 5-8) on
the outdoor unit are set incorrectly.
SW5
Model
3 4 5
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
The outdoor unit and the auxiliary unit (OS) that
is connected to the same system are not proper-
ly connected.
1)
2)
53
69
86
96
108
121
3)
138
155
172
177
190
207
224
241
248
254
270
284
296
312
324
338
351
365
6 7 8
ON OFF
ON OFF
ON OFF
ON OFF
ON OFF
ON OFF
ON OFF
- 226 -
Check method and remedy
Check the Qj total (capacity code total) of in-
door units connected.
Check the Qj setting (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 dif-
ferent 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 (capac-
ity code).
Indoor unit Qj table
Model
15
20
25
32
40
50
63
71
80
100
125
140
200
250
Check the setting for the model selection
switch on the outdoor unit (Dipswitches SW5-
3 - 5-8 on the outdoor unit control board).
Confirm that the TB3 on the OC and OS are
properly connected.
Qj
3
4
5
6
8
10
13
14
16
20
25
28
40
50
GB