P18AL Service Manual
TROUBLESHOOTING
3/6/07
8-7
Symptom: Machine short cycles (using freeze pressure switch (FPS) only)
Possible Cause
Possible Remedy
Freezer pressure switch (FPS) set too low or defective
Adjust switch or replace if defective.
Freeze-up
See “Freeze-up due to extended freezer period” and “Freeze-
up due to ice failing to discharge”.
Clogged water distributors
Clean water distributors.
Lack of water for making ice
Check water tank for sufficient water level. Check for
restriction in water line, defective float valve, open drain
valve, excessive ice chips or low water pressure and correct.
Lack of sufficient liquid refrigerant feed
Check float and float switch, solenoid valve and coil in liquid
line, strainer, and refrigerant level in receiver.
Water pump rotation incorrect or pump defective
Check pump motor rotation. Check for leaking pump seal or
defective motor and repair or replace as needed.
Symptom: High compressor discharge temperature
Possible Cause
Possible Remedy
High head pressure
Check gage accuracy and “High discharge pressure”.
Defective suction or discharge valves
Feel the compressor heads for hot spots or one head running
hot. Replace worn or leaking valves.
Restriction in the discharge gas line
Check all hand and check valves to make sure they are fully
opened and not stuck. Repair or replace as needed.
Internal relief valve leaking
Check the compressor manual to see if your compressor is so
equipped. Replace accordingly.
Symptom: Suction line frosting to compressor
Possible Cause
Possible Remedy
Liquid refrigerant overfeed
Check float switch to make sure it is functioning properly.
Replace if defective. Check solenoid valve (25) to make sure
it is not leaking through. Repair or replace if defective.
Refrigerant contaminated with water
Test refrigerant or oil for water contamination. Completely
pump the freezer out (pumpdown) and blow excess water out
through the oil trap drain valve. Refer to Service, Section 9
“Removing Excess Water”.
Содержание P18AL TUBE-ICE
Страница 1: ...8 28 00 P18AL TUBE ICE MACHINE Manual Part Number 12A4171M09 Service Manual 5000 ...
Страница 4: ......
Страница 14: ...P18AL Service Manual INTRODUCTION 3 6 07 1 4 FIGURE 1 1 P18AL Front View ...
Страница 15: ...P18AL Service Manual INTRODUCTION 3 6 07 1 5 FIGURE 1 2 P18AL Back View ...
Страница 16: ...P18AL Service Manual INTRODUCTION 3 6 07 1 6 FIGURE 1 3 P18AL Left View ...
Страница 17: ...P18AL Service Manual INTRODUCTION 3 6 07 1 7 FIGURE 1 4 P18AL Right View ...
Страница 18: ...P18AL Service Manual INTRODUCTION 3 6 07 1 8 ...
Страница 25: ...P18AL Service Manual INSTALLING YOUR TUBE ICE MACHINE 3 6 07 3 5 FIGURE 3 1 Spacing and Connection Diagram ...
Страница 27: ...P18AL Service Manual INSTALLING YOUR TUBE ICE MACHINE 3 6 07 3 7 FIGURE 3 3 Piping Schematic Central High Side ...
Страница 47: ...P18AL Service Manual ELECTRICAL CONTROLS 3 6 07 6 5 FIGURE 6 3 Electrical Schematic All Voltages 50 60 Hz ...
Страница 48: ...P18AL Service Manual ELECTRICAL CONTROLS 3 6 07 6 6 ...
Страница 56: ...P18AL Service Manual MAINTENANCE 3 6 07 7 8 ...
Страница 64: ...P18AL Service Manual TROUBLESHOOTING 3 6 07 8 8 ...
Страница 76: ...P18AL Service Manual SERVICE OPERATIONS 3 6 07 9 12 FIGURE 9 3 Cutter Water Tank Assembly ...
Страница 78: ...P18AL Service Manual TABLES CHARTS 3 6 07 10 1 10 Tables Charts ...