Kelvinator R-404A User Manual

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

Kelvinator R-404A Specifications

General

Brand	Kelvinator
Model	R-404A
Category	Refrigerator
Language	English