513713 REV.0
U421-I2A & U431-I2A OPERATOR’S MANUAL
23
Section 3: Maintenance
MAINTENANCE
PA
R
TS
TROUBLESHOO
TING
OPERA
TION
INTRODUCTION
Continue normal cleaning and sanitizing procedures.
A.10
Turn the pump on and feed the other
end of the tan hose into the left side
of the black cover.
Face the natural curve of the tan hose
towards the outside of the cover to
prevent the hose from looping around
twice.
A.7
As the hose feeds through the cover, orient the sensor
at an angle so the sensor wire does not interfere with
the drawer closing and is not obstructed by the other
hoses.
Then turn the pump o
ff
.
Connect the hose to the check valve block.
A.8
Connect a new length of tan hose
to the mix sensor using a clamp.
A.6
Press and hold the Pump
buttons until the pump hose
reset message appears on
the screen.
A.9
