www.ditting.com SERVING THE WHOLE-BEAN COFFEE MARKET SINCE 1968 info@ditting.com
U.S. Distribution Center
8801-B Smiths Creek Rd, Wales, MI 48027
Tel 810-367-7125 Toll-Free 800-835-5992
Fax 810-367-7130
Serving the Whole-Bean
Coffee Market Since 1968
www.ditting.com
Ref. Models:
1403 Series
1800 Series
SERVICE TIP #R2
TROUBLESHOOTING ALL DITTING
220 VOLTS, 3 PHASE GRINDERS…1403 AND 1800 SERIES
Our motors do not burn out easily. Look for simple problems. Never assume that the motor is bad because the
grinder is doing something unusual.
NO OUTPUT
Coffee does not come out
DIRECTION OF ROTATION:
Looking into the hopper, when
the grinder comes to a stop, it
should be turning counter-
clockwise.
REVERSE ANY TWO OF THE HOT
WIRES (DO NOT CHANGE THE YELLOW
OR YELLOW-GREEN GROUND WIRE) IN
THE PLUG. This needs to be done when
the grinder is first installed or plugged into a
new outlet.
GRINDER CHANGES
DIRECTION OF
ROTATION EVERY TIME
IT IS TURNED ON
ONE OF THE THREE
PHASES IS NOT
DELIVERING POWER TO
THE MOTOR
THE PROBLEM IS ONE OF:
BAD SWITCH (KFA1403 version)
BAD WIRE IN THE PLUG OR OUTLET
(any model)
BAD CONTACTOR (KFR/KR model)
GRINDER STOPS UNDER
LOAD
Runs okay without beans
but stops when beans are
added
ONE OF THE THREE
PHASES IS NOT
DELIVERING POWER TO
THE MOTOR
THE PROBLEM IS ONE OF:
BAD SWITCH (KFA1403 version)
BAD WIRE IN THE PLUG OR OUTLET
(any model)
BAD CONTACTOR (KFR/KR model)
KFR OR KR1403
Replace contactor
BREAKER KEEPS
TRIPPING OFF
LOOK FOR BURNED OUT WIRE
SHORTING TO THE GRINDER HOUSING
EITHER AT THE BASE OF THE MACHINE
OR IN THE SWITCH AREA, OR LOOK
FOR A CRIMPED WIRE AT THE BASE.
GRINDING TOO
SLOWLY and/or
OVERHEATING
WORN OUT GRINDING
DISCS, or worn out/broken
fins on the lower rotating plate
REPLACE THE GRINDING DISCS, and/or
REPLACE THE LOWER ROTATING
PLATE.
Visit our website at www.ditting.com for this and other service tips.
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