Servend STH14, Technician'S Handbook

Page: 134 / 204

134 Part Number STH14 5/09
MDH-302 AND 402 ICE PIC
Condition Investigation Check Correction
Dispenser
does not
dispense
crushed ice
Nothing is heard No power to
dispenser
Check power source
and power cord.
Loose wiring Check wiring.
Dispense switch
faulty
Replace switch.
Crusher Motor
faulty
Replace Motor/Gear
Box.
Dispenser Kill
Switch open
Ensure Merchandiser
is installed correctly
and translight is in
place, holding switch
in the closed position.
Crusher motor
hums but does
not turn
Blades obstructed Check for
obstructions in ice
crusher housing.
Motor faulty Replace Motor.
Faulty start relay/
capacitor
Check relay/capacitor
and replace if bad.
Crusher dispense
door does not
open
Door solenoid
faulty
Replace Solenoid.
Loose wiring to
solenoid
Check wiring.
Motor turns, but
blades do not
turn
Gear box on motor
Faulty
Replace Ice Crusher
Motor/Gear Box.
Crusher Axle
broken
Replace Crusher
Axle.
Crusher Motor
turns but Gear
Motor for
Paddlewheel/
Agitator Bar does
not turn
Agitator Gear
Motor faulty
Replace Agitator
Gear Motor.
Loose wiring Check wiring.
Obstruction in Ice
bin stopping motor
Check for obstruction.
Nothing on
dispenser
works
No power to
dispenser
Close Dispenser Kill
Switch.
Dispenser Kill
Switch open
Ensure Merchandiser
is installed correctly
and translight is in
place, holding switch
in the closed position.
Loose wiring Check wiring.
Difficulty
inserting
Blade/Hub
Assembly
into Crusher
housing
Stationary Blades
not aligned with
locating slots at
top and bottom of
crusher housing
See "Cleaning the Ice
Crusher Assembly" in
the Maintenance
section of this
manual.
Rotating Blades
not in vertical
position
Check for ice in
Crusher Housing
Crushed Ice
dispenses
continuously,
or by itself
Ice Dispense
Switch Faulty
Replace the Ice
dispense switch.
Micro switch
adjustment
Adjust properly.
STH14.book Page 134 Monday, May 4, 2009 1:48 PM