66
12-2015 H0522EN00
v
oLumETrIC
CouNTEr
No counting of the volumetric counter within a maximum time.
wATEr
LEAkAgE
The Air-break micro switch signals the lack of water without a
previous dispensing and opens the water inlet solenoid valve,
or activates the self-feeding pump (attempt to fill the air break).
Check that there are no water leaks in the hydraulic circuit of
the machine (disconnected hoses, …)
AIrbrEAk
mICro
The Air-break microswitch never signals the lack of water fol-
lowing a dispensing.
AIr
-
brEAk
fILLINg
TImE
ouT
The air-break micro switch does not report the achievement of
the water level in the Air-break in the allotted time during filling.
C
offEE
uNIT
fAILurEs
The position control microswitch of the coffee unit is read dur
-
ing the whole dispensing cycle.
According to the micro readout and the dispensing phase of
the unit, any failure is declared by locking the selections based
on espresso coffee.
C
offEE
uNIT
-
mICro
uNIT
fAILurE
-
While the brew unit is being handled, the control micro is not
operated within a certain time limit.
This failure may be associated with another positioning failure
of the coffee unit.
C
offEE
uNIT
-
sTArT
uNIT
fAILurE
-
The microswitch signals the coffee unit has not moved from the
stand-by position.
C
offEE
uNIT
-
brEw
uNIT
fAILurE
-
The control micro signals that the coffee unit has not reached
the brew position.
C
offEE
uNIT
-
DIsPENsINg
uNIT
fAILurE
-
During the brew phase, the control micro signals that the es-
presso unit is being handled.
Summary of Contents for Instant Omni
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