CABINET TROUBLESHOOTING GUIDE
MAINTENANCE & REPAIR
47
TROUBLE
COMMON CAUSE
REMEDY
UNIT WILL NOT RUN.
CABINET TOO WARM.
CABINET TOO COLD.
Blown Fuse.
Broken temperature control.
Broken relay.
Broken overload.
Broken compressor.
Defective service cord.
Broken lead to compressors or cold control.
Broken timer
Fan motor not running.
Cold control set too warm or broken.
Shortage of refrigerant.
Not enough air circulation around cabinet.
Dirty condenser or obstructed condenser
ducts.
Poor lid seal.
Cold control knob improperly set.
Replace fuse. Check outlet with voltmeter,
should check 115V plus or minus 10%. If
circuit overloaded, either reduce load or
have electrician install separate circuit. If
unable to remedy any other way, install
autotransformer.
Jumper across terminals of control. If unit
runs and connections are all tight, replace
control.
Check relay, replace if necessary.
Check overload. Replace if necessary.
Check compressor. Replace if necessary.
Check with test light at unit. If no circuit
and current is indicated at outlet, replace
or repair.
Repair or replace broken leads.
Check with test light and replace
if necessary.
Check and replace fan motor if necessary.
Check and replace if necessary.
Check for leaks. Repair, evacuate and
recharge system.
Relocate cabinet or provide clearance to
allow sufficient circulation.
Clean the condenser.
Level cabinet, replace lid seal.
Turn knob to warmer position
Dipping Cabinet 1298.02 2/3/03 1:15 PM Page 49
Summary of Contents for R-404A
Page 3: ...Introduction...
Page 13: ...SECTION II Principles of Operation...
Page 14: ......
Page 28: ......
Page 29: ...SECTION III Maintenance Repair...
Page 55: ...PARTS LISTING With Illustration Identification...
Page 56: ...CABINET PARTS EXPLODED VIEW 54 CABINET PARTS EXPLODED VIEW 2 1 3 4 7 9 8 6 10 11 5...
Page 60: ...CONDENSING UNIT EXPLODED VIEW 58 CONDENSING UNIT EXPLODED VIEW...
Page 62: ...ELECTRICAL PARTS EXPLODED VIEW 60 ELECTRICAL PARTS EXPLODED VIEW...
Page 64: ...1 6 7 2 4 3 5 LID EXPLODED VIEW 62 LID EXPLODED VIEW...
Page 66: ......
Page 67: ...ACCESSORIES...
Page 68: ......
Page 73: ...ADJUSTABLE LEG KIT 52 1831 01 ACCESSORIES 71...
Page 74: ...CASTER KIT 52 1830 01 72 ACCESSORIES...
Page 76: ...CAN CLAMP INSTALLATION 74 ACCESSORIES...
Page 79: ......
Page 80: ...by National Refrigeration Products 563 Corbin Road Honea Path South Carolina 800 486 8369...