6-4
PROBLEM
CHECK
POSSIBLE CAUSE
REMEDY
[11] Cloudy cubes
a) Water Quality
1. High hardness or contains
impurities
1. Install a water filter or
scale treatment
b) Noz
Water Recirculation
System
zle
1. Clogged
2. Misaligned Nozzle and
Water Tank
2. Place in correct position
c)
1. Scaled up
1. Clean or remove scale
2. Water leaks
2.Check connections for
water leaks and repair
[12] Freeze cycle time is too
long
a) Ambient temperature
1. Too high ( freeze cycle
will be extremely long at
more than 40
°
C / 104
°
F)
1. Check for recommended
ambient temperature
b) Condenser inlet / outlet
1. Blocked. Bad air
circulation greatly reduces
ice production capacity
1. Clean condenser
c) Thermistor
1. Out of position or loose
attachment
2. Leads short-circuit
2. Check continuity (see
page 5-2)
d) Refrigerant Circuit
1. Refrigerant leak or
restriction
1. Check with a leak
detector. Repair & recharge.
Replace the refrigerant
drier.
2. Undercharged
2. Check for leaks and
recharge
e) Fan Motor
1. See [3]
f) Condenser
1. Blocked
1. Clean
[13] Icemaker will not stop
when Bin is filled with ice
a) Bin Control Thermostat
1. Fused contacts
1. Replace
[14] Abnormal Ice
a) Nozzle
1. Clogged
2. Misaligned Nozzle and
Water Tank
2. Place in correct position
b) Pump Motor
1. Bearing worn
1. Replace
c) Pump Motor Impeller
1. Defective or bound
impeller
1. Replace or clean
d) Compressor
1. Inefficient.
1. Replace
e) Refrigerant Circuit
1. Leak or restriction
1. Repair
[15] Some cells on the
evaporator form no ice
a) Nozzle
1. Clogged
2. Misaligned Nozzle and
Water Tank
2. Place in correct position
1. Clean system (see page
8-1)
1. Clean system (see page
8-1)
1. Clean system (see page
8-1)
1. Refer to
“
Removing The
Evaporator Thermistor
”
(see
page 4-8)
Summary of Contents for KAR-13
Page 1: ...TECHNICAL EDUCATION JOB AID 4317309 KAR 13 OUTDOOR AUTOMATIC ICE MAKER Model KUIO15NNLS ...
Page 10: ...1 6 OUTDOOR ICE MAKER WARRANTY ...
Page 14: ...3 2 WATER AND REFRIGERANT CIRCUIT ...
Page 42: ...5 6 NOTES ...
Page 43: ...6 1 DIAGNOSIS TROUBLESHOOTING TIMING CHART ...
Page 52: ...8 4 NOTES ...
Page 53: ...8 5 NOTES ...
Page 54: ...8 6 NOTES ...
Page 56: ......