28.04.2003
GB
17 / 24
A6
TM02 2374 4201
At a pressure above 2.5 bar, the switch is closed, and the
multimeter must show approx. 0 Ω.
If the multimeter shows “OL” or M Ω, the contact is open,
and the pressure switch must be replaced.
A7
TM02 2375 4201/TM02 2376 4201
Turn on the tap. The pressure is removed from the system.
A8
TM02 2377 4201
At a pressure below 2 bar, the switch is open, and the mul-
timeter must show “OL” or M Ω.
If the multimeter shows approx. 0 Ω, the contact is
closed, and the pressure switch must be replaced.
If the pressure switch is OK, replace the controller.
P > 2.5 bar
0 Ω
OK
Ω
Replace
8
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