Scotsman TDE470 - Manual (Page 20)

Service Diagnosis
PROBLEM POSSIBLE CAUSE PROBABLE CORRECTION
No ice is dispensed. No ice in bin due to:
••
No electrical power
Check/restore power
••
Overuse
Recheck ice needs vs. machine
capacity.
••
Water supply turned off
Check water filter/hand valve/float
valve
••
Bin controls dirty
Check & clean bin control (electric
eyes)
••
Water sensor dirty
Check & clean water sensor
••
Control system malfunction
Check control system
••
Auger drive motor open
Check auger drive motor
••
Centrifugal switch open
Check centrifugal switch
••
Auger does not turn
Check coupling & gear reducer
••
No refrigeration
Check refrigeration system
Ice in bin, but will not dispense:
Drive motor does not turn
••
Vend system does not work
Check/replace vend system
Check that cleaning switch has
been released.
••
Dispense motor open
Check/replace dispense motor
••
Dispense output shaft broken
Check/replace output shaft
Ice in bin, motor turns vane.
Ice jammed up
••
Users held cup against
dispense spout and jammed
unit.
Advise owner/manager to instruct
users.
••
Bin bottom slot not over spout
Check bin bottom position
••
Ice will not slide down bin wall,
bin out of round.
Check bin interior wall for rough
texture or out of round.
••
Sink height too small for
container used
Install sink extension kit
••
Wet ice in the bin from high
water level or high suction
pressure
Check water level, check suction
and discharge pressures
TDE470
February 1995
Page 20