EN
24
8. Mandatory Maintenance and Check-up Operations
▪
eplace group gas ets
▪
eplace diffuser screens
▪
lean auto ll probe
▪
hec acuum brea er for
proper operation
▪
nspect water inlet al e
▪
nspect drain system for lea s
or clogs
▪
hec flow rate for each group
▪
hec brew temperature
▪
hec that brew pressure is
at bar
▪
hec all switches for proper
operation
▪
hec note water hardness
ater uality must be within the
range of parameters speci ed
in the chapter on nstallation
otherwise warranty is oided
▪
hec lter bas et condition
▪
hec shot olumes
▪
Test flowmeter s ohm alue
ohm alue is acceptable if
greater than . ohm and
less than . ohm
These operations are in addition to the aintenance and eriodic leaning perations as speci ed in hapter .
The following maintenance and chec up operations sould be carried out by a uali ed technician.
The time re uired for the periodic maintenance is determinated by the uantity of daily wor and or coffee consumption.
N.B. These periodic maintenance operations are not covered by warranty.
▪
hec the condition of the inside of boilers and if necessary rinse out with a proper cleaning product allowed for food and be erage
appliances.
EVERY THREE/FOUR MONTHS
EVERY YEAR (in addition to the above)
EVERY 3 YEARS (in addition to the above)
▪
eplace porta lter bas ets
▪
nspect group al e plungers
▪
nspect acuum brea er
▪
nspect e pansion al e
▪
nspect electrical wiring
condition
▪
nspect boilers safety switches
▪
nspect electrical wiring
condition
▪
eplace o er pressure al e
safety al e
▪
ccurate control of the
tightness at
m of each
cable on the terminal bloc .
