GE moisture.iq User Manual page 109

Table 12: Troubleshooting Guide for Common Problems (cont.)
Symptom Possible Cause
Screen always Probe is saturated. Liquid
reads the water present on sensor
wettest surface and/or across
(highest)) electrical connections.
programmed
Shorted circuit on
moisture
sensor.
calibration
value while
displaying
Sensor is contaminated
dew/frost
with conductive particles
point.
(refer to Basic Hygrometry
Principles.
Improper cable
connection.
Screen always Open circuit on sensor.
reads the
Non-conductive material is
driest (lowest)
trapped under contact arm
programmed
of sensor.
moisture
calibration
value while
Improper cable
displaying
connection.
dew/frost
point.
Slow response. Slow outgassing of system.
Sensor is contaminated
with non-conductive
particles (refer to Basic
Hygrometry Principles).
Exception Unrecoverable software
screen error.
moisture.IQ User's Manual
System Response
Clean the sensor and the sensor shield as
described in document 916-064, Basic
Hygrometry Principles Then reinstall sensor.
Run "dry gas" over sensor surface. If high
reading persists, then probe is probably
shorted and should be returned to the factory
for evaluation
Clean the sensor and the sensor shield as
described in document 916-064, Basic
Hygrometry Principles. Then reinstall sensor.
Check the cable connections to both the probe
and the moisture.IQ.
Return probe to factory for evaluation.
Clean the sensor and the sensor shield as
described in document 916-064, Basic
Hygrometry Principles. Then reinstall the
sensor. If the low reading persists, return the
probe to the factory for evaluation.
Check the cable connections to both the probe
and the moisture.IQ.
Replace the system components with stainless
steel or electro-polished stainless steel.
Clean the sensor and the sensor shield as
described in document 916-064, Basic
Hygrometry Principles. Then reinstall the
sensor.
Contact BHGE.
Chapter 8. Troubleshooting
Action
97