I.B. 32-255-1G
Page 44
Effective 12/02
SYMPTOM INSPECTION AREA PROBABLE DEFECTS
6-11 TROUBLESHOOTING CHART (Continued Next Page)
Fails To Close
• Closing Sound • Pole Shaft
but no close (Not open fully)
• Trip Latch Reset Spring
(Damaged or Missing)
• Trip Bar-D Shaft
(Fails to remain reset)
• Trip Latch-Hatchet
(Fails to remain reset)
• Trip Floor Tripper
(Fails to remain reset)
• Close Latch
(Binding)
• Close Latch Roller
(Binding)
• Trip Circuit Energized
Undesirably Closes
• Control Circuit • Close Circuit
(CS/C Getting Shorted)
• Mechanism • Close Release Latch
(Fails to reset)
• Close Floor Tripper
(Fails to reset)
Fails To Trip
• No Trip Sound • Control Circuit • Control Power
(Fuse blown or switch off)
• Secondary Disconnect
• Auxiliary Switch
(a contact not making, poor or burned)
• Trip Coil
(Burned or open)
• Terminals and Connections
(Poor or burned or open)
• Trip Mechanism • Trip Clapper
(Jammed)
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