Maintaining & Troubleshooting
Thermo Fisher Scientific
Maintaining & Troubleshooting
4-31
REC-4105 Rev L
Table 4–2.
Fault Messages
NO. MESSAGE
MEANING
F1
XMIT FLT
Indicates an open or short circuit has
been detected in the transmitter coil.
May be due to faulty wiring or actual
fault condition.
F2
SELFTEST
Indicates a microprocessor problem.
F3
BALANCE
The coil imbalance exceeds the ability
of the detector to electronically “self-
balance.” See section 4.4.1
F4
HIGHPILE
The high pile input was not reset within
4 seconds after tripping.
F5 OVERLOAD
The input circuitry is saturated. Reduce
gain, mechanically balance coils per
4.4.1 or remove the cause of the
overload.
F6 EST
Not yet implemented.
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