Service Diagnosis - Scotsman FDE470 Service Manual

FDE470

Service Diagnosis

PROBLEM
No ice is dispensed.
POSSIBLE CAUSE
No ice in bin due to:
No electrical power
Overuse
Water supply turned off
Bin controls dirty
Water sensor dirty
Control system malfunction
Auger drive motor open
Centrifugal switch open
Auger does not turn
No refrigeration
Ice in bin, but will not dispense:
Drive motor does not turn
Vend switch does not close
Dispense motor open
Dispense output shaft broken
Ice in bin, motor turns vane.
Ice jammed up
Users held cup against
dispense spout and jammed
unit.
Bin bottom slot not over spout
Ice will not slide down bin wall,
bin out of round.
Sink height too small for
container used
Wet ice in the bin from high
water level or high suction
pressure
August 1994
Page 18
PROBABLE CORRECTION
Check/restore power
Recheck ice needs vs. machine
capacity.
Check water filter/hand valve/float
valve
Check & clean bin control (electric
eyes)
Check & clean water sensor
Check control system
Check auger drive motor
Check centrifugal switch
Check coupling & gear reducer
Check refrigeration system
Check/replace vend switch
Check/replace dispense motor
Check/replace output shaft
Advise owner/manager to instruct
users.
Check bin bottom position
Check bin interior wall for rough
texture or out of round.
Install sink extension kit
Check water level, check suction
and discharge pressures