Thermo Scientific Mercury Freedom 80i, Manual

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Troubleshooting
System Troubleshooting Guides
Thermo Fisher Scientific Mercury System Manual 4-3
Malfunction Possible Cause Action
pressure “bad”, eductor
pressure “good” wiring at probe.
Probe does not heat Heater cartridge slipped out
because of vertical probe mounting
Component power OFF
Blown fuse in 82 i power
distribution board
Use tie wrap to secure
heater.
Turn component power
ON.
Replace fuse.
Alarm bell symbol for Hg
alarm Hg(0) or Hg(2+) giving negative
number / ceiling value substituted
for floor Calibrate / change ceiling
value back to floor.
80 i will not accept value <
3
μ
g/m
3
for calibration
80 i and 81 i firmware are not the
same
Use 81 i for setting
calibration value.
Vacuum leaks in 83
i
GC O-rings have melted or partially
combusted/probe temperature
runaway Find cause of temp
runaway. Replace 0-rings.
Vacuum leak in 83
i
GC
during Hg(T) analysis
Melted Teflon at convertor tube
when probe enclosed Install stainless fittings
with Teflon ferrules at
each end of convertor.
Convertor temp too low Relay in 82 i failed or heater burned
out
Replace relay or heater.
Convertor temp too high Relay in 82 i failed and heater has
not burned out yet
Replace relay.
High chamber pressure,
noisy vacuum pump Vacuum pump failed or is about to
fail Replace or rebuild pump.
Hydrator not filling or
Hydrator bubbling Hydrator valve not opening at
proper time I/O Configuration not set
correctly. See “Hydrator”
on page 6-1.
Table 4–2
describes possible power-up failures and provides the
recommended action to take to restore the system to normal operation.
Table 4–2. Troubleshooting – Power-Up Failures
Malfunction Possible
Cause Action
Does not start - the
light on power
switch does not
come on. No power or
wrong power
configuration
Check the line to confirm that power is available
and that it matches the voltage and frequency
configuration of the instrument.
Power-Up Failures