Echelon LonPoint Module - Manual (Page 112)

12-2 Troubleshooting
Troubleshooting Table
Table 12.1 presents common troubleshooting symptoms, and associated diagnoses,
that may be encountered in the field.
Table 12.1 Troubleshooting Symptoms and Diagnoses
Symptom Diagnosis
Power LED illuminated This is the normal state of the LED when the node is powered.
Power LED flashing then
returning to continually
illuminated This is the normal state for a network management Wink function, and
indicates that the module is being signalled by the LonMaker for
Windows Integration Tool.
Power LED extinguished Power supply providing power to the module has lost primary power.
Check power supply output for the presence of power.
Power wiring not correctly connected to module. Use a volt meter to
check for power on base plate power terminals.
Input voltage too low due to excessive load on the power supply
providing power to the module, excessively long power cabling, or
shorted power wiring. Use a volt meter to check for the correct voltage
level on the base plate power terminals. Correct cabling length if too
long. Repair faulty power cable.
Type 1D or 2D DIN Base Plate Jumper Plug not correctly inserted.
Service LED extinguished This is the normal state of the LED for a configured module.
Service LED flashing The module is unconfigured. This is the normal state of a new module.
The module must be commissioned by the LonMaker tool.
Service LED illuminated The module is applicationless - it has lost its application software
program. The module must be reloaded by the LonMaker for Windows
Integration Tool.
No network
communications Network wiring not correctly connected to module.
Network cabling shorted, open, or otherwise damaged. Use continuity
meter to check cabling.
Router(s) on network not commissioned, not powered, or otherwise not
functioning correctly.
Type 1D or Type 2D DIN Base Plate Jumper Plug not correctly inserted.
Incorrect orientation of Type 1D and Type 2D DIN Base Plates.
Incorrect router channel type installed on channel.
Erratic or improper
network communications Network wiring not securely connected to Base Plate terminals. The
optimum tightening torque for a Base Plate screw terminal is 4 lbs. in.
(0.5Nm) maximum.
Module not properly seated in the Base Plate. Ensure that the module is
pressed firmly into the Base Plate and secured with suitable fixing
screws.