Douwe Egberts Cafitesse 700, Руководство для заднего офиса

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*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 - 2
Errors water system
No. Description Over-
rules Set condition Reset condition Remarks Cause Remedy Prio-
rity***
10* Overboil safety has been
tripped 21 Temperature limiter
(clixon) has been
activated:
Temp
80 °C(1 76 °F) ±3 K
Automatically, when
hardware detects, that
safety has been reset
manually 1. Overboil safety
defective
2. Heating or safety
relays defective
3. Wiring incorrect or
connections defective
4. PCB A not inserted
correctly in the rack or
defective
1. Check temperature
sensor, reset overboil
safety
2. Replace heating or
safety relays
3. Check wiring or replace
connections (see
chapter 5K)
4. Insert PCB A correctly or
replace it (see chapter
5K)
120
11* Boiler water level is too
low Low level sensor = dry
for several seconds
during normal operation Automatically, when low
level sensor detects
water 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)
120
12* Boiler level sensors not
detected 10, 11
13, 14
15, 16 Overflow safety active (=
connector not detected) Automatically, when
hardware detects the
contact bridge 1. Wiring incorrect or
sensor connections
defective
2. PCB A not inserted
correctly in the rack or
defective
1. Check wiring or replace
sensor connections (see
chapter 5K)
2. Insert PCB A correctly or
replace it (see chapter
5K)
120