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Smeg CW511MDA-2 — общие неисправности посудомоечной машины и их решения [15/24]

CW/CWH 511

7 MALFUNCTIONS SHOWN ON THE DISPLAY (FOR THE TECHNICIAN)

The dishwasher is able to identify a number of malfunctions and show them on the display. If the problem persists after the

dishwasher has been switched off and back on, proceed as described below:

Er 04

Tank temperature probe

malfunction

Tank temperature probe disconnected or not working.

Er 05

Tank water filling malfunction The tank does not fill within the allowed time: check water intake tap, dynamic

pressure in intake system, cleaning of water intake filter, possible damage to

water intake hose or cleaning of rinsing nozzles.

If the problem persists during “FILL”: - tank level switch failure. (always on

empty: check whether tank safety pressure switch is tripped). - leak from pipe

connected to air trap: if problem persists, check during working programme. -

drain line vent valve fouled: tank empties completely at end of a wash

programme due to siphon effect.

Er 06

Water pump-out malfunction

Inspect the filters for dirt and check that the drain hose is not blocked, bent or

crushed. Check that the drain pump is not blocked by dirt by removing the

insert on the sump (from inside the tank). If it persists, check in this order: -

with tank empty: constant “tank full” reading: tank pressure switch faulty or

leak from connections of air trap connection pipe (water entering pipe)

- with tank full: drain pump has failed

Er 23

Boiler does not heat up as expected. The problem might occur because water is continually entering the tank (the

causes are as for “Er 05” – see above) If the boiler heating element is

damaged, this might be due to operation with no water in the boiler - the

pressure switch is indicating full even with the boiler empty: - damaged boiler

heating element - contactor failure - open on boiler safety thermostat side. -

boiler temperature probe faulty or incorrectly positioned - motherboard relay

failure, Important: If the boiler heating element is damaged, this might be due

to operation with no water in the boiler, pressure switch continues to give full

reading even with boiler empty: check boiler air trap and/or relative pressure

switch and replace if necessary.

Er 24

Boiler temperature probe

malfunction

Boiler temperature probe disconnected or not working

Er 25

Boiler water filling malfunction The boiler does not fill within the allowed time: check water intake tap,

dynamic pressure in intake system, cleaning of water intake filter, possible

damage to water intake hose or check, in this order:

- boiler pressure switch has failed (continuous empty reading). - pipe

leaking/disconnected (water entering pipe) – item “rp” in service menu not set

correctly

Er 26

Boiler emptying malfunction - check that rinsing spray arm nozzles are clean

- boiler pressure switch has failed (continuous full reading)

- pipe leaking/disconnected (water entering pipe)

- rinsing pump not working

Er 27

Boiler emptying malfunction – with

tank full

Or boiler full signal on models

without rinsing pump

Boiler pressure switch has failed (continuous full reading) if appears when

rinsing pump is not present; presence of boiler pressure switch: check setting

of item “rp” in service menu

“rp”=on for models with rinsing pump

“rp”=of for models without rinsing pump

Smeg CW511MDA-2 — общие неисправности посудомоечной машины и их решения [15/24]

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