42 | 5000 Single-Point Moisture Analyzer
To ensure correct moisture operation, refer to “Display Reads Low in Calibrate or
Operate Modes,” or “Moisture Generator Output Incorrect.”
Troubleshooting Guide for 5000 Analyzer
Possible Cause Isolation Procedure
Corrective Action
Gen Temp Alert
Environmental Temp Check for CR14 blinking Housing or ambient temperature is too
hot or too cold for the electronic control
amplifier to control moisture generator
temperature.
Faulty electronic control amplifier Remove moisture generator cable If not, replace electronic control amplifier
PCB J2, CR14 will go on. Short Pins 2 PCB.
and 3 on electronic control amplifier
PCB, CR14 will go off.
Faulty moisture generator heater Remove J2 and check Pins 1 and 4 If not, replace a moisture generator
thermistor for 28
Ω
. heater assembly.
Faulty moisture generator thermistor Remove J2 and remove thermistor If not 100K
Ω
, adjust R26 as necessary.
from moisture generator, check for If adjustment will not work, isolate
=100K
Ω
@ 23 °C. either the moisture generator heater or
field unit board.
Low Cell Frequency
Faulty Cell Replace cell.
High Cell Frequency
Contaminated sample cell Replace cell.
Contaminated dryer and/or trap Replace trap and/or dryer and flush out
sample system.
Excessive moisture Leak test system Dry-down system.
Verify sample gas is not above Dry-down system.
analyzer specifications.
Negative Delta Frequency
Incorrect flow rate or reference leak Verify and adjust flow rates.
Faulty dryer Substitute dryer with known good one. Replace and/or refill dryer.
Supply known dry sample. Replace and/or refill dryer.
Memory Is Corrupted
Faulty RAM or RAM battery Replace battery.
NOTE
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