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To signal this fault, the symbol S4 will be deactivated whereas the fault symbol, the symbol S4 and the backlight
will start flashing.
Fault 85 - Controller configuration fault
Check that parameter P26 is set to 1.
Fault 87 - Protection for no circulation
Only with FLOW METER ENABLED
This fault is activated when, with solar pump activated, the card does not detect flow in the solar circuit for 10
consecutive minutes.
The fault causes deactivation of the solar pump. After checking and eliminating the fault, the protection can be
removed by activating and deactivating the OFF mode.
Make sure parameter P25 is correctly set.
Characteristics of sensors
The temperature sensors can be controlled by a digital multimeter: disconnect the sensor from the controller and
check matching with the following tables.
t (°c)
-10
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
148
ntc
r (W)
54932
-5
42080
0
32505
5
25308
19854
15689
12483
9999
8060
6537
5332
4374
3608
2991
2492
2086
1754
1481
1257
1070
915
785
677
585
507
442
cod. 3540V011 - 03/2017 (Rev. 00)
Pt 1000
t (°c)
r (W)
-10
961.5
-5
980.75
0
1000
5
1019.25
10
1038.5
15
1057.75
20
1077
25
1096.25
30
1115.5
35
1134.75
40
1154
45
1173.25
50
1192.5
55
1211.75
60
1231
65
1250.25
70
1269.5
75
1288.75
80
1308
85
1327.25
90
1346.5
95
1365.75
100
1385
105
1404.25
110
1423.5
115
1442.75
t (°c)
r (W)
120
1462
125
1481.25
130
1500.5
135
1519.75
140
1539
145
1558.25
150
1577.5
155
1596.75
160
1616
165
1635.25
170
1654.5
175
1673.75
180
1693
185
1712.25
190
1731.5
195
1750.75
200
1770
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