Douwe Egberts Cafitesse 700, Back Office Manual

Page: 45 / 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 - 7
Errors cooling system
No. Description Over-
rules Set condition Reset condition Remarks Cause Remedy Prio-
rity***
30** Cooling compartment
temperature is too high Temperature sensor
reading: temperature
above 7°C Automatically, when
temperature drops under
2.5°C - - 10
30a Cooling compartment
temperature is too high
for a longer period of
time Temperature sensor
reading plus timer:
temperature above 7°C
for more than 12 hours After ON/OFF/ CLEAR
switch
Dispensing of all
products
blocked after 12
hours of more
than 7°C 1. Cooling compartment
door not fully closed
or sealed
2. Air inlet filter soiled
3. Peltier cooling units
defective
4. Temperature sensor
defective
5. PCB B/C not inserted
correctly in the rack or
defective
1. Close cooling
compartment door or
replace seal
2. Clean or replace air inlet
filter
3. Replace peltier cooling
units (see chapter 5F)
4. Replace temperature
sensor (see chapter 5F)
5. Insert PCB B/C correctly
or replace PCB B/C (see
chapter 5K)
50
31** Cooling compartment
temperature is too low Temperature sensor
reading: temperature
below –1°C Automatically, when
temperature rises above
2.3°C - - 10
31a Cooling compartment
temperature is too low
for a longer period of
time Temperature sensor
reading plus timer:
temperature below –1°C
for more than 3 hours After ON/OFF/ CLEAR
switch
Dispensing of all
products is
blocked 1. Peltier cooling units
defective
2. Temperature sensor
defective
3. PCB B/C not inserted
correctly in the rack or
defective
1. Replace peltier cooling
units (see chapter 5F)
2. Replace temperature
sensor (see chapter 5F)
3. Insert PCB B/C correctly
or replace PCB B/C (see
chapter 5K)
50