Douwe Egberts Cafitesse 700, Back Office Manual

Page: 42 / 265

*errors will be logged ** errors will not be logged *** UI-error messages: higher priority overrules lower priority, with same priority message of first appearance is shown
July 2004 3 - 4
No. Description Over-
rules Set condition Reset condition Remarks Cause Remedy Prio-
rity***
16* Normal water level
sensor defective 14 Illogical sensor reading
(e.g. low and high level
sensors detect water, but
normal level sensor does
not) Automatically, when
there is a logical sensor
reading (e.g. low, normal
and high level sensors
detect water) Only when 16 is
solved, 14 can
get active 1. Normal level sensor
defective
2. Wiring incorrect or
sensor connections
defective
3. PCB A not inserted
correctly in the rack or
defective
1. Replace normal level
sensor
2. Check wiring or replace
sensor connections (see
chapter 5K)
3. Insert PCB A correctly or
replace it (see chapter
5K)
111
17* Obsolete - - - - - -
18* Leaking outlet valve
(severe leak) Software calculation:
inlet valve opens after a
certain time without
dispensing
•
After ON/OFF/
CLEAR switch OR
•
when the flush
program has been
executed OR
•
when a drink is
dispensed
After each of
these reset
conditions the
timer restarts 1. Water supply tap not
open or blocked
2. Water filter clogged or
defective
3. Water pressure too
low
4. Inlet valve defective
5. Hoses clogged or
defective
1. Open or clean tap
2. Clean or replace water
filter
3. Check water pressure
(see chapter 2)
4. Replace inlet valve (see
chapter 5A)
5. Clean or replace hoses
101
19* Refilling boiler takes too
long (17) Software calculation:
counts time - 60 sec. to
fill the boiler until normal
level sensor After ON/OFF/CLEAR
switch in OPERATOR or
SERVICE mode, the
refilling starts again Operator can
reset error 1. Water supply tap not
open or blocked
2. Water filter clogged or
defective
3. Water pressure too
low
4. Inlet valve defective
5. Hoses clogged or
defective
1. Open or clean tap
2. Clean or replace water
filter
3. Check water pressure
(see chapter 2)
4. Replace inlet valve (see
chapter 5A)
5. Clean or replace hoses
100