March 2004

Manual 599082

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 into the Tub.

To check that the amount spray leakage is appropriate:-

Fill the Salt Reservoir with water.

In diagnostics mode, Turn on the Fill Water Valve, and the Motor Drain. Water will flow out of the Dispenser into the Tub, as well as out of the Water Softener Overflow into the Tub.

Observe the flow from the Water Softener Overflow (beside the Dispenser). There should be a trickle (25-100 ml per minute). With experience you can guess what is appropriate. If the trickle is outside these rates, replace the softener as the PI is faulty.

To check that there is water in the Salt Reservoir, remove the Drawer front and observe the level of water in the tank. (A quick way to check that there is water in the Salt Reservoir is to remove the Salt Bung and test the water level by placing your finger down through the opening.)

Detergent or Rinse Aid in the Water Softener

If detergent or rinse aid is poured in to the Salt Reservoir it will destroy the Water Softener. This could also happen if the Salt Bung is left off or falls out. Evidence of this could be white streaks through the Resin.

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Fisher & Paykel DD603IH, DD603HM, DD603M, DS603M, DS603IH, DS603H, DS603 I manual C2 Water Softener Brine Pump
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DS603 I, DS603H, DS603IH, DS603M, DD603I specifications

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