User Manual

Table Of Contents
Troubleshooting
This section provides examples of possible reading values, and what they indicate.
Reading
Value
Definition Troubleshooting
:::::::: Failure to retrieve reading l Usually indicates a cut wire. Check the
connection between the register and L900
MIU.
l If using a non-autodetect ProRead
register, verify that it has been
programmed for three-wire mode.
???????? l Indicates an ambiguous, bad read
l Replaces -------- and HHHHHHHH
Table 9 Examples of Reading Values
Replacement Parts
Table 10 lists the available replacement parts for the L900 MIU.
Part Name Part Number
Solid 3 Conductor Wire, 22 awg (1000 ft.) 6431-352
Dow Corning #4 compound (5.3 oz tube) 96018-064
GE Novaguard (4cc packet) 96018-072
Scotchloks (UG) 8138-125
Mounting Adapter for ProRead Register 12539-001
Mounting Bracket for E-CODER Register 13443-000
Fastener Screw 8328-302
Magnet 12287-001
Antenna 12527-000
Flat Washers 8340-054
Table 10 Available Replacement Parts
36 L900 MIU Pit Installation and Maintenance Guide
Chapter 6: Maintenance and Troubleshooting