User Manual
Maintenance a n d Troubleshooting 10-49
Problem
Individual UpDepth_1 val ues consist ently read -9.99.
Possible
Causes
Sensor may be faulty.
5-volt fuse on regulator may be blown.
Possible
Solutions
Replace the Peak Combo Sensor.
Replace t he 5-volt bl ue f use (when replaceable) on the
regulator.
Caution: Do not connect a questionable sensor to
another moni tor before verifying the i ntegrity of the
sensor. A shorted sens or will blow the 5-volt (blue)
replacement fuse on the regulator in the monitor.










