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Table 8 — LID Primary and Secondary Messages and Custom Alarm/Alert Messages
with Troubleshooting Guides
H. Normal Run with Reset, Temperature, Or Demand
Primary Message Secondary Message Probable Cause/Remedy
Running — Reset Active
4-20MA Signal
Reset program active based upon Config
table setup.
Running — Reset Active
Remote Sensor Control
Running — Reset Active
CHW Temp Difference
Running — Temp Control
Leaving Chilled Water Default method of temperature control.
Running — Temp Control
Entering Chilled Water ECW control activated on Config table.
Running — Temp Control
Temperature Ramp Loading Ramp loading in effect. Use Service1 table to
modify.
Running — Demand Limited
By Demand Ramp Loading Ramp loading in effect. Use Service1 table to
modify.
Running — Demand Limited
By Local Demand Setpoint Demand limit setpoint is < actual demand.
Running — Demand Limited
By 4-20MA Signal
Demand limit is active based on Config table
setup.
Running — Demand Limited
By CCN Signal
Running — Demand Limited
By Loadshed/Redline
Running — Temp Control
Hot Gas Bypass Hot Gas Bypass is energized. See surge pre-
vention in the Control section.
Running — Demand Limited
By Local Signal Active demand limit manually overridden or
Status01 table.
Running — Temp Control
Ice Build Mode Machine is running under Ice Build tempera-
ture control.