DeDietrich DED700X, Руководство по обслуживанию, Страница: 14 / 51

14
Pressured up pump operation
Key 1 + 7
To check that the pump is pressured up. (this is done to check for eventual leaks inside the machine)
Steam boiler electric current
Key 4 + 6
Check the electric current using an ammeter.
During the temperature rise approx. :
4.8 A (230 V);
9 A (120V);
11 A (100V)
Coffee boiler electric current
Key 2 + 6
Check the electric current using an ammeter.
Boiler temperature
Key 4 + 6 + 7
This function is used to check the current temperature of the coffee boiler
Contrast LCD Key 1 + 6 + 7
Back-light LCD Key 2 + 6 + 7
3.4 Checking micro-switches in Test Mode
Display
N°
Micro-switch Function
1
Geared motor in distribution
phase switch It sets the stopping point of the group’s rise
2
Geared motor on standby
switch It sets the stopping point of the group’s descent
3 Panel switch
5
Coffee ground tray and drip
tray switch
Detects the presence of the coffee grounds tray and the drip tray
6 Coffee group switch Detects the presence of the coffee group
7 Door switch Detects the correct shutting of the door
8
Turbine sensor Counts the turbine impulsions in order to define the quantity of water to
be used when making the coffee
9 Coffee grinder sensor Defines the number of revolutions depending on the dose of coffee
0 Water sensor Detects when there is insufficient water in the tank
A Water tank safety sensor Detects when the water tank is full
M No Coffee Detects when there is no more coffee in the coffee holder
R RTC control Detects correct function of the clock (it should blink)
K Facade detector Detects the presence of the facade
0-8 Coffe grinder setting Detects the coffee grinder settings in factory control phase
* Coffee grinder impulses Indicates whether the value on the previous line (0-8) was saved