H. normal run with reset, temperature, or demand – Carrier 17/19EX User Manual

Page 318

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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.

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