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Where a water softener is fitted;
Set the water softener for the correct local water supply
hardness. Check that the water softener is functioning
correctly in diagnostics.
C1 Water Softener Diverter Valve
In hardware output diagnostics test mode:
FU – turn the fill water valve on.
P2 – turn the motor drain on.
C1 – water softener diverter valve.
On – water bypasses the resin tank.
Off – water flows through the resin tank.
C2 Water Softener Brine Pump
Turn the Brine Pump on in diagnostics mode. Observe
a small quantity of water (approx. 30 ml per min.)
flowing out the bottom of the dispenser. (Drop the
dispenser door down to observe this.) Observe a
change in the water level (approximately 120ml per 4
min.) in the salt reservoir. The reservoir should pump
dry of water in this time.
Note:- Fill the salt reservoir with salt (and then water if
not already) before performing this test.
Pipe Interrupter (Air Break) Function
A critical component in the performance of the water
softener is the pipe Interrupter (PI). There is a certain
amount of spray leakage from the PI, which is used to
provide water to the salt reservoir.
If the spray is inadequate, there will be insufficient
water in the salt reservoir to make brine.
If there is too much spray, then the excess bypasses
the water softener and defeats the softening process
by pouring untreated water straight into the tub.