43
* Thick frames show common cases.
[Sold out sensor operation]
When the electrical resistance measured by the beer circuit electrode is higher than the specified
value, the sensor detects beer is “sold out”. When the resistance is lower than the specified value,
the sensor detects beer is “available”.
* Beer has a lower electrical resistance while CO2 gas has a higher resistance. When a beer keg
becomes empty during automatic dispensing operation, CO2 gas bubbles go through the beer
circuit and pass the sensor area. Then, the electrical resistance rapidly increases, and the sensor
detects beer is sold out, causing the unit to stop dispensing.
When sold out lamp lights up, dispense lamp does not light up unless foam button is pressed. When
a keg is replaced, press foam button to lead beer to tap. (Press and hold foam button until gas is
purged out of beer tap.)
Setting depends on brand of beverage to
dispense. Is setting correct?
(User setting “U07”)
Check with your dealer/supplier for
U07 settings.
Set to proper pressure.
Regulator is not set to proper pressure.
Avoid exhaust heat. If necessary,
wrap insulation.
Beer hose is heated by exhaust heat to
generate bubbles inside.
Bad contact in sold out sensor wiring.
Tightly fix sold out sensor wiring to
sensor area.
[Sensor area cross-section]
Ready mode
Sold out mode
Beer (liquid)
Sensor
Area
Foam, Gas (CO2)
(26) Beer remains in keg, but sold out lamp lights up
No beer remains in keg, but sold out lamp will not light up
No
Yes
No
Yes
Yes
Yes
No
