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4-3-50. Error on pump magnetic switch malfunction
Inverter / Hydro control part display
Judgment Method
Cause of problem
Pump interlock delay time : Setting options see Hydro
Refer to the inspection method below.
Pump Magnetic Switch Malfunction
Pump interlock input contact connection status.
During pump operation the On signal to the contact does not enter in a
row during the "pump interlock delay time" error occurs.
B-T/B
Pump interlock contact input
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
95
16
17
18
19
20
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