Scotsman HD22 - Manual (Page 17)

Service Diagnosis
HD22 and HD30
September 2003
Page 16
Symptom Probable Cause Possible Fix
No ice is dispensed - Basic Model No power to dispenser Check for proper power, is dispenser
plugged in?
No ice Check ice machine
Vend switch does not close Check vend switch
Check chute for proper motion
Chute cannot be pushed back Check door lock for proper operation
Interlock switch open Check interlock switch, be sure top
panel is in place
Drive motor windings open Check drive motor
Drive gears failed Check gear reducer
No ice is dispensed - Coin Op Model Same as above plus coin switch does
not close Check coin switch
Vend timer does not work Connect power to post 6 of coin
mech timer, timer should activate,
ready light should be on and pushing
the chute should start the gear motor,
if not replace the vend timer
Only dispenses small amount of ice Sweep arm damaged Check/replace sweep arm
No water is dispensed - water station
model Water shut off Check water supply to unit, check
shut off valve inside cabinet
Water leak Drain is plugged Check drain for restriction
Ice catch pan has overfilled Remove excess ice
Ice catch pan screen is plugged Clean screen
Seal between ice machine and
dispenser is leaking Remove ice machine and replace
gasket tape
Water drip from spout Some dripping is normal, but if
severe Check spout drain for restriction
Coin operated model “Ready” light is
on all the time Resistor is open Replace resistors (15K, 2 watt in
parallel)