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VI. TROUBLESHOOTING
6.1 General TD Sampler Troubleshooting
DANGER
CARELESS OR ACCIDENTAL RESTORATION OF POWER CAN RESULT IN DEATH OR
SERIOUS INJURY. MAKE CERTAIN AREA IS CLEAR BEFORE REMOVING LOCKOUTS.
SYMPTOM
POSSIBLE CAUSE
CORRECTIVE ACTION
Sampler does not cycle
Power switch OFF.
Turn power switch ON.
(Power light Off).
Circuit breaker is open.
Reset breaker.
Main fuse is blown.
Replace.
Faulty supply wiring.
Correct. Refer to certified electrical
schematic.
Defective power switch.
Replace switch.
Sampler does not cycle
(Power light On).
Faulty system wiring.
Correct. Refer to certified electrical
schematic.
Motor power off.
Turn on.
Motor starter heaters tripped.
Reset.
Motor burnt out.
Replace.
Motor thermal overload tripped.
Allow motor to cool & reset.
Defective timer T-1.
Replace timer if line voltage is
present across #1 & #2 on timer T-1.
Sampler leaks air or material
continuously out the sample
Sample cutter not stopping under
the seals.
Adjust limit switch. Refer to Section
5.4.2.
discharge.
Sampler installed in a pressurized
conveying line.
Eliminate pressure or relocate
sampler.
Sample cutter worn.
Inspect & replace. Refer to Section
5.4.3.
Sample cutter seals deteriorated.
Inspect & replace. Refer to Section
5.4.4.
Sampler makes loud banging
noises.
Limit switches not set properly.
Adjust limit switch. Refer to Section
5.4.2.
