Zuma Brewer; Section 5 - Replacing Components - VKI Technologies CAFFÈ MIO Operation & Service Manual

T r o u b l e s h o o t i n g

Zuma Brewer

Grounds Not Being Wiped
► Brew chamber may not be installed properly. Open the brewer and re-install the
brew chamber – the wiper must be positioned between the two brewer arms.
► Brew chamber assembly may be damaged – repair or replace the brew chamber
assembly
► Wipe arm may be damaged – replace the wipe arm
► Triple cam may be damaged – replace the triple cam
Brewer Flooding / Overflowing
► Water setting may be too high – reduce the water setting.
► Bottom pause setting may need to be increased.
► Coffee setting may be too high – reduce the coffee setting.
► Coffee may be stale or not within specifications – replace coffee.
► Water temperature may be too high – reduce the temperature.
► Screen assembly may be dirty and clogged – clean or replace the brewer screen
assembly
► Screen assembly may be damaged – replace screen assembly
► Brew chamber may be cracked creating a vacuum loss – replace chamber
M044065)
► Cylinder may be scored or cracked creating a vacuum loss – replace cylinder
► Teflon seal on piston may be worn – replace Teflon seal
Leaking
► Verify that the brewer hose is properly positioned on the diffuser.
► Brew chamber may not be closing properly – adjust the brew chamber tension.
► Brew chamber may be cracked – replace brew chamber
► Brewer cylinder may be cracked – replace cylinder
Noisy Operation
► If the brewer was just cleaned with brewer cleaner, make several cups of coffee to
re-lubricate the brewer.
► Brew chamber may not be installed properly. Open the brewer and re-install the
brew chamber – the wiper must be positioned between the two brewer arms.
► Brew chamber may be too tight – loosen the T-bar or remove a shim.
► If the brewer motor is equipped with a cooling fan, make certain the fan is not
rubbing on anything while brewer motor is operation.
► Verify that the waste bin bag is not caught in any part of the brewer and motor.
► The brewer motor may have an internal problem with the gears – replace the
brewer motor (P/N - A210289).
► A brewer component may be worn – replace brewer (P/N - A510033S).
Home Position
► Verify the operation of the brewer "
replace, if necessary.
► The brake on the brewer motor may not be working – clean/adjust the brake, or
replace the brewer motor
► Verify the wiring and connections.
► Sensor on the rear board may be defective – replace the rear board
G410232MIO)
CAFFÈ MIO – OPERATION AND SERVICE
.
(P/N - M044065)
.
(P/N - K310306)
.
(P/N - A210289)
.
S E C T I O N 4 -
(P/N - E210285)
(P/N - K033001)
(P/N - K110174)
(P/N - M044065)
(P/N - M044071)
" switch
(P/N - M019399)
HOME
.
T R O U B L E S H O O T I N G
.
.
.
(P/N - K310306)
(P/N -
(P/N - M044071)
.
.
.
– adjust or
(P/N -
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