FLUORESCENT LAMPS - TROUBLESHOOTING GUIDE
50
MAINTENANCE & REPAIR
Carrier Refrigeration uses standard fluorescent lamps in all of its applications. Standard one- and two- lamp ballast circuits are used.
Replacement lamps should be purchased over the counter from a local electrical wholesaler. The table below indicates general problems that
may be encountered with fluorescent lighting applications, possible causes, and corrective maintenance suggestions.
TROUBLE
COMMON CAUSE
REMEDY
NORMAL END OF LIFE.
Lamp won’t operate. Flashes
momentarily and goes out or blinks
on and off.
Ends probably blackened.
SHORT LIFE.
END BLACKENING.
Dense blackening at one end or
both, extending 2" to 3" from base.
Normal failure. Active material on
cathodes exhausted.
Wrong lamp type used.
Wrong type of starter.
Ballast not supplying the specified electrical
values.
Wrong type of ballast used.
Too low or too high voltage.
Poor circuit contact. (likely at lampholders)
Ballast improperly or incompletely connected.
Too many lamp starts.
Normal end of life.
Mercury deposit - generally within 1" of
lamp end.
Poor circuit contact likely at the lampholder.
Ballast improperly or incompletely connected.
Wrong type lamp used.
Wrong type of starter or defective starter
causing on /off blinking or prolonged flashing
at each start.
Ballast intalled not supplying the specified
electrical values.
Line voltage too low or too high.
Ballast improperly or incompletely connected.
Replace lamp properly.
Replace with lamp type marked in owner’s
manual.
Replace with correct starter.
Replace with correct ballast for rating for
lamp size.
Replace ballast with proper type.
Check primary voltage with range specified
on ballast name plate.
Lamholder should be rigidly mounted and
lamp securely seated.
Study ballast label wiring diagrm and check
connections.
Average life for most lamps is dependant on
number of starts and hours of operation.
Replace lamp promptly.
Should evaporate as lamp is operated.
Lampholders should be rigidly mounted and
lamp securely seated.
Study ballast wiring instructions and check
connections.
Replace with correct lamp type.
Replace with proper starter.
Replace with ballast of correct rating for
lamp size.
Check line voltage with range specified on
ballast plate.
Study ballast label wiring instuctions and
check connections.
Dipping Cabinet 1298.02 2/3/03 1:15 PM Page 52
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...
