Chapter 8. Maintenance and Troubleshooting
Model PM880 Portable Hygrometer User’s Manual
159
Symptom: Slow response.
Slow outgassing of system.
Replace system components with stainless
steel or electro-polished stainless steel.
Sensor is contaminated with
non-conductive particles
(refer to
Application of the
Hygrometer
)
Clean the sensor and the sensor shield as
described in
Aluminum Oxide Probe
Maintenance
in
Application of the
Hygrometer
. Then reinstall the sensor.
Symptom: Exception screen.
Unrecoverable software
error.
Contact the factory.
Table 6: Troubleshooting Guide for Common Problems (cont.)
Possible Cause
System
Response
Action