GE PM880 User Manual page 173

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