Douwe Egberts Cafitesse 700, Back Office Manual

Page: 41 / 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 - 3
No. Description Over-
rules Set condition Reset condition Remarks Cause Remedy Prio-
rity***
13** Low water level during
first fill (status message) 23, 24 After POWER UP or
ON/OFF /CLEAR low
level sensor = dry
(during startup of the
dispenser or from energy
saving mode to normal
operation)
Automatically when low
level sensor detects
water Locking error:
blocks level
control (and inlet
valve), the timer
restarts always
after
ON/OFF/
CLEAR
1. Water supply tap not
open or blocked
2. Water pressure is too
low
3. Inlet valve is defective
4. Overflow hose is
blocked
5. Low level sensor
defective
6. Wiring incorrect or
connections defective
7. PCB A not inserted
correctly in the rack or
defective
1. Open or clean tap
2. Check water pressure
(see chapter 2)
3. Replace inlet valve (see
chapter 5A)
4. Check and clean/
replace overflow hose
5. Replace low level
sensor
6. Check wiring and
replace connections
7. Insert PCB A correctly or
replace it (see chapter
5K)
99
14* Boiler water level is too
high High level sensor detects
water for more than 5
seconds After ON/OFF/CLEAR
switch in service,
operator or cleaning
mode
(water needs to be
drained first, e.g. via
menu TEST – OUTLET
VALVES) 1. Inlet valve is defective
2. Wiring incorrect or
connections of high
level sensor defective
3. PCB A not inserted
correctly in the rack or
defective
4. Water pressure is too
low
1. Replace inlet valve (see
chapter 5A)
2. Check wiring or replace
high level sensor
connections (see
chapter 5K)
3. Insert PCB A correctly or
replace it (see chapter
5K)
4. Check water pressure
(see chapter 2)
101
15* Low water level sensor
defective Illogical sensor reading
(e.g. normal and high
level sensors detect
water, but low level
sensor does not) Automatically, when
there is a logical sensor
reading (e.g. normal and
low level sensors detect
water, high level sensor
does not) 1. Low level sensor
defective
2. Wiring incorrect or
connections defective
3. PCB A not inserted
correctly in the rack or
defective
1. Replace low level
sensor
2. Check wiring or replace
connections (see
chapter 5K)
3. Insert PCB A correctly or
replace it (see chapter
5K)
101