Testing, Troubleshooting, and Maintenance
CENTRON® Meter Technical Reference Guide 77
Cause Solution
Time-of-Use Schedule programmed
incorrectly
Verify TOU schedule contains continuous 24-
hour periods for all weekdays, weekends, or
holidays. All 24-hour periods throughout every
year must be accounted for within the TOU
schedule.
Component Failure Replace module.
Software Cannot Communicate with Module
Cause Solution
Optical Probe Cable Assembly
Failure
Check cable with known register that
communicates. Check cable against known
cable that is functioning. Also check batteries in
cable assembly.
COM Port in PC is Set Wrong Verify proper COM Port number has been
selected in the programming software. If the
wrong COM Port is selected, communications
will not occur.
Security code in Module If security codes have been downloaded to the
register, the programming device must have the
proper code to make connection to the module.
Verify security codes in the programming
software.
Probe Not Connected Properly Verify Optical Probe lines up properly over the
optical connector. Re-install cover for proper
alignment. Verify PC or handheld and cable are
securely connected and attached to the correct
Com Port.
Optical Connector Failure Replace cover assembly.
Electronics Failure Replace module.
Incorrect Baud Rate Optical port can be programmed to operate at
4800 or 9600 baud. Factory default baud rate is
4800. For C12.19 D/T/L, the optical port operates
at 9600, 14400, 19200, or 28800 baud. The
factory default is 9600 baud.
Reed Switch Does Not Activate the Alternate Mode
Cause Solution
Magnetic Field is too Weak Place magnet closer to switch or use stronger
magnet.
Reed Switch Failure Replace module.
Alternate Mode Items Not Selected Re-program meter with items to be displayed in
Alternate mode.
To Next Page
Loading...
