Service Diagnosis - Scotsman FDE474 User Manual

FDE474

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
March 2000
Page 20
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