Carrier 23XL Spezifikationen PDF herunterladen (Seite 73)

Table 10 — LID Primary and Secondary Messages and Custom Alarm/Alert Messages

with Troubleshooting Guides (cont)

G. COMPRESSOR JUMPSTART AND REFRIGERANT PROTECTION

PRIMARY MESSAGE SECONDARY MESSAGE ALARM MESSAGE/

PRIMARY CAUSE

ADDITIONAL CAUSE/REMEDY

UNAUTHORIZED

OPERATION

UNIT SHOULD BE STOPPED CA P Emergency: Compressor run-

ning without control authorization.

Compressor is running with more than 10%

RLA and control is trying to shut it

down. Throw power off to compressor if

unable to stop. Determine cause before

repowering.

POTENTIAL FREEZE-UP EVAP PRESS/TEMP

TOO LOW

ERT Emergency: Freeze-up

prevention.

Determine cause. If pumping refrigerant

out of machine, stop operation and go over

pumpout procedures.

FAILURE TO STOP DISCONNECT POWER RUN AUX Emergency: DISCON-

NECT POWER.

Starter and run and start contacts are en-

ergized while control tried to shut down.

Disconnect power to starter.

LOSS OF

COMMUNICATION

WITH STARTER Loss of Communication with Starter:

Check machine.

Check wiring from PSIO to SMM. Check

SMM module troubleshooting procedures.

STARTER CONTACT

FAULT

ABNORMAL 1CR OR

RUN AUX

CR AUX Starter Contact Fault: Check

1CR/1M aux. contacts.

Starter run and start contacts energized

while machine was off. Disconnect power.

POTENTIAL FREEZE-UP COND PRESS/TEMP TOO LOW CRT Emergency: Freeze-up

prevention.

The condenser pressure transducer is read-

ing a pressure that could freeze the water

in the condenser tubes. Check for con-

denser refrigerant leaks, bad transduc-

ers, or transferred refrigerant. Place unit

in Pumpdown mode to eliminate ALARM

if vessel is evacuated.

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 set-up.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 set point is , actual demand.

RUNNING — DEMAND LIMITED BY 4-20MA SIGNAL

Demand limit is active based on CONFIG table set-up.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 prevention in the

control section.

RUNNING — DEMAND LIMITED BY LOCAL SIGNAL Active demand limit manually overridden or Status01 table.

RUNNING — TEMP CONTROL ICE BUILD Machine in Ice Build temperature control.

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