FLUORESCENT LAMP – TROUBLESHOOTING CHARTS
TROUBLE
COMMON CAUSE
REMEDY
NORMAL END OF LIFE.
Normal failure. Active material on
Replace lamp promptly.
Lamp won’t operate. Flashes momen-
cathodes exhausted.
tarily and goes out or blinks on and
off. Ends probably blackened.
SHORT LIFE.
Wrong lamp type used.
Replace with lamp type marked in owner’s
manual.
Wrong type of starter.
Replace with correct starter.
Ballast not supplying the specified
Replace with correct ballast for rating for
electrical values.
lamp size.
Wrong type of ballast used.
Replace ballast with proper type.
Too low or too high voltage.
Check primary voltage with range
specified on ballast name plate.
Poor circuit contact (likely at lamp-
Lampholders should be rigidly mounted
holders).
and lamp securely seated.
Ballast improperly or incompletely
Study ballast label wiring diagram and
connected.
check connections.
Too many lamp starts.
Average life for most lamps is dependent on
number of starts and hours of operation.
END BLACKENING.
Normal end of life.
Replace lamp promptly.
Dense blackening at one end or both,
extending 2"-3" from base.
Mercury deposit – generally within
Should evaporate as lamp is operated.
1" of lamp end.
Poor circuit contact likely at the
Lampholders should be rigidly mounted
lampholder.
and lamp securely seated.
Ballast improperly or incompletely
Study ballast wiring instructions and check
connected.
connections.
Wrong type lamp used.
Replace with correct lamp type.
Wrong type of starter or defective
Replace with proper starter.
starter causing on/off blinking or
prolonged flashing at each start.
Ballast installed not supplying the
Replace with ballast of correct rating for
specified electrical values.
lamp size.
Line voltage too low or too high.
Check line voltage with range specified on
ballast plate.
Ballast improperly or incompletely
Study ballast label wiring instructions and
connected.
check connections.
The manufacturer uses standard fluorescent lamps in ail 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, possi-
ble causes, and corrective maintenance suggestions.
98
TROUBLESHOOTING
Summary of Contents for BT30RF- EXPR
Page 15: ...SECTION II...
Page 26: ...ELECTRICAL BOX WIRING DIAGRAM 00 0056 00 WIRING DIAGRAM 25...
Page 27: ...ELECTRICAL BOX WIRING DIAGRAM 00 0057 00 26 WIRING DIAGRAM...
Page 28: ...ELECTRICAL BOX WIRING DIAGRAM 00 0064 00 WIRING DIAGRAM 27...
Page 49: ...INSTRUCTIONS SOLID DOOR REMOVAL INSTALLATION ADJUSTMENT 48 MAINTENANCE REPAIR...
Page 63: ...CASTER INSTALLATION INSTRUCTIONS 62 MAINTENANCE REPAIR...
Page 69: ...ELECTRICAL REFRIGERATION INFORMATION BT30RF EXPR Explosion Proof Refrigerator Freezer...
Page 79: ...ELECTRICAL REFRIGERATION INFORMATION ST260RI ST260RIR...
Page 81: ...MODULE 1 ANALOGIC PARAMETERS MODULE 1 PARAMETERS 83...
Page 83: ...MODULE 1 DAYTRONICS PARAMETERS MODULE 1 PARAMETERS 85...
Page 102: ...EVAPORATOR FAN SHROUD ASSEMBLY 104 EVAPORATOR FAN SHROUD ILLUSTRATION...
Page 105: ...EVAPORATOR FAN AREA BT30RSFMS BT50RSFMS EVAPORATOR FAN AREA ILLUSTRATION 107...
