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No change detected by the level
switch during emptying
Booster pump plug connector loosened
Start capacitor defective
Plug connector loosened
Boiler level switch defective
No boost pump signal to - from in-
put/output circuit boards
Check boost pump DSP / S2 using man-
Following the end of post-rinse
time, still no change detected
reached
Boiler heating defective / thermal fuse
radiator
Temperature sensor defective, incorrect
installation position
Boiler contactor defective, performance
switch loosened
No signal from ON/OFF circuit boards
Boiler not ready for rinsing early enough
(boiler level/ boiler temperature)
Boiler heating defective / thermal fuse
radiator
Temperature sensor defective
Boiler contactor defective, performance
switch loosened
No signal from ON/OFF circuit boards
Temperature sensor short circuit
Check sensor cable (plug contacts)
Replace sensor
Temperature sensor interruption
Actual boiler temperature too high
Incorrect sensor / defective sensor
Check sensor / cable (contact plug
Number of circulatory pumping
cycles exceeded.
Tank level analysis disrupt-
edTank level analysis disrupted
Booster pump yield too low
Rinse jets soiled
Air trap soiled
Booster pump rotor defective
Condensate in level pipe
Hose kinked / loose / not watertight
When pumping out during rinse
program, level does not fall below
level 1.
Fresh water supply insufficient
(water faucet closed)
Drain pump soiled / defective
Rotor loose
Drain pump plug connector loose
Start capacitor defective
Tank level analysis disruptedTank level
analysis disrupted
Aquastop not closing completely
No signal from ON/OFF circuit boards
Level does not fall below level 3
after time (drain pump ON)