Schaerer Vito Operating Instructions Manual page 89

Troubleshooting
Code Designation
161 Brew water fault
162 Flow meter error du ­
ring cleaning
163 Warm rinse water fault The water supply is interrupted.
164 Flow meter error du ­
ring hot water dosing
165 Flow meter error du ­
ring choco dosing
166 Flow meter error du ­
ring steam boiler feed
167 Flow meter error du ­
ring descaling
170 Steamer sensor short
circuit
171 Steamer sensor bro ­
ken/not correctly
mounted
BA SCV_EN
V06 | 11.2015
Cause and effect
The water supply is interrupted.
Dispensing of beverages is blocked.
The brewing unit is blocked.
Dispensing of beverages is blocked.
The grind level setting is too fine.
The fine dust contaminates the mill too quick-
ly.
The highest quality level can lead to a brew­
ing water error.
• Water pressure is OK.
• Minimum flow not achieved.
• A mandatory cleaning routine follows.
Dispensing of beverages is blocked.
The brewing unit is blocked.
Dispensing of beverages is blocked.
Minimum flow not achieved.
Minimum flow not achieved.
Minimum flow not achieved.
• Minimum flow not achieved.
• During descaling, the screw in the drink ­
ing water tank neck must be removed on
machines with a mains water supply.
Infinite resistance at control input for sensor. ► Contact your service partner.
Resistance at control input for sensor ap ­
proaches zero.
What to do
Option 1: With drinking water tank
► Check that the drinking water tank is filled
and installed correctly.
Option 2: With mains water supply
► Check whether the main water valve is
open.
Option 3: Aquaflex
► Check whether the switch between the
mains water supply and drinking water
tank is correctly set.
See "Installation and commissioning" -
"Switching between mains water supply and
drinking water tank"
► Clean the brewing unit.
See "Cleaning" - "Weekly cleaning".
► Set the grind level one level coarser.
See "Service and maintenance" - "Finer set-
ting of grind level".
► Set the quality lower.
See "Programming" - "Settings" menu -
"Recipes and beverage buttons".
► Check the water supply.
Option 1: With drinking water tank
► Check that the drinking water tank is filled
and installed correctly.
Option 2: With mains water supply
► Check whether the main water valve is
open.
► Clean the brewing unit.
See "Cleaning" - "Weekly cleaning".
► Check the water supply.
► Check and clean the brewing unit.
► Check the water supply.
► Check and clean the powder doser.
► Check the water supply.
► For descaling, remove the screw from the
drinking water tank neck (reinsert after
descaling).
► Contact your service partner.
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