Douwe Egberts Cafitesse NG300 Troubleshooting Guide download pdf (Page 3)

Catesse 300 Next Generation Errors

3 -  January 2011

*) Errors are reset by pressing the LOCK/Error clear button in cleaner-, operator-, service- or development mode

No. Description Over-

rules

Set condition Reset condition Remarks Cause Remedy

10 Overboil safety has

tripped ->

the dispenser is blo-

cked for hot drinks

Cooling control:

normal

Boiler level &

heating control: off

21 Software detects

the over boil has

tripped.

Temp 65 °C

(149 °F)

Automatically when

software detects that

safety is manually

reset

Safety error Overboil sensor defective

or heating is ON for too long:

Temperature sensor defective

Heating or safety relays defec-

tive

or there is a boiler overow:

Normal level sensor is defec-

tive.

Inlet valve does not close.

Wiring incorrect, MCB defec-

tive

Check the overboil sensor

Check the temperature sensor

and wiring.

Check and the heating or safe-

ty relays and wiring.

Check the normal level sensor

and wiring.

Check, if the inlet valve is not

leaking.

Check the MCB and wiring.

Replace components if neces-

sary.

11 Boiler water level

is too low ->

the dispenser is blo-

cked for hot drinks

Cooling control:

normal

Boiler level &

heating control: off

Low level sensor

= dry

Switch off dispenser Safety error Water supply tap not open or

blocked

Water pressure is too low

Inlet valve is defective

Inlet hose is blocked

Low level sensor defective

Wiring incorrect or

connections defective

MCB defective

Open or clean tap

Check water pressure

(see chapter 2)

Check / replace inlet valve

Check and clean/replace inlet

hose

Check / replace low level

sensor

Check wiring and replace con-

nections

Replace MCB

(see chapter 5K)

3. Errors water system

1 2 3 4 5 6 7 8 ... 21 22

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Douwe Egberts Cafitesse NG300 Troubleshooting Guide Page 3

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