Table 12 Ð LID Primary and Secondary Messages and Custom Alarm/Alert Messages

with Troubleshooting Guides (cont)

D. PRE-START ALERTS: These alerts only delay start-up. When alert is corrected, the start-up will continue. No reset is necessary.

PRIMARY MESSAGE

SECONDARY MESSAGE

 

 

ALARM MESSAGE/PRIMARY CAUSE

ADDITIONAL CAUSE/REMEDY

PRESTART ALERT

STARTS LIMIT EXCEEDED

STARTS EXCESSIVE Compressor Starts (8 in

Depress the RESET softkey if additional start is

 

 

12 hours)

required. Reassess start-up requirements.

PRESTART ALERT

HIGH MOTOR TEMPERATURE

MTRW [VALUE] exceeded limit of [LIMIT]*.

Check motor cooling line for proper operation.

 

 

Check motor temperature.

Check for excessive starts within a short time

 

 

 

 

 

span.

PRESTART ALERT

HIGH BEARING TEMPERATURE

MTRB [VALUE] exceeded limit of [LIMIT]*.

Check oil heater for proper operation, check for

 

 

Check thrust bearing temperature.

low oil level, partially closed oil supply valves,

 

 

 

 

 

etc. Check sensor accuracy.

PRESTART ALERT

HIGH DISCHARGE TEMP

CMPD [VALUE] exceeded limit of [LIMIT]*.

Check sensor accuracy. Allow discharge tem-

 

 

Check discharge temperature.

perature to cool. Check for excessive starts.

PRESTART ALERT

LOW REFRIGERANT TEMP

ERT [VALUE] exceeded limit of [LIMIT]*. Check

Check transducer accuracy. Check for low chilled

 

 

refrigerant temperature.

water/brine supply temperature.

PRESTART ALERT

LOW OIL TEMPERATURE

OILT [VALUE] exceeded limit of [LIMIT]*.

Check oil heater power, oil heater relay. Check

 

 

Check oil temperature.

oil level.

PRESTART ALERT

LOW LINE VOLTAGE

V

 

P [VALUE] exceeded limit of [LIMIT]*.

Check voltage supply. Check voltage transform-

 

 

Check voltage supply.

ers. Consult power utility if voltage is low. Cali-

 

 

 

 

 

brate voltage reading on STATUS01 Table.

PRESTART ALERT

HIGH LINE VOLTAGE

V

 

P [VALUE] exceeded limit of [LIMIT]*.

Check voltage supply. Check voltage transform-

 

 

Check voltage supply.

ers. Consult power utility if voltage is low. Cali-

 

 

 

 

 

brate voltage reading on STATUS01 table.

PRESTART ALERT

HIGH CONDENSER PRESSURE

CRP [VALUE] exceeded limit of [LIMIT]*. Check

Check for high condenser water temperature.

 

 

condenser water and transducer.

Check transducer accuracy.

PRESTART ALERT

HIGH GEAR OIL TEMP

GEAOILT [VALUE] exceeded limit of [LIMIT].*

Check for cooler water ¯ow. Check sensor for

 

 

Check gear oil cooler ¯ow.

accuracy.

 

 

 

 

 

 

*[LIMIT] is shown on the LID as temperature, pressure, voltage, etc., set point prede®ned or selected by the operator as an override, alert, or alarm condition. [VALUE] is the actual pressure, temperature, voltage, etc., at which the control tripped.

E. NORMAL OR AUTO.-RESTART

PRIMARY MESSAGE

SECONDARY MESSAGE

PROBABLE CAUSE/REMEDY

STARTUP IN PROGRESS

OCCUPIED MODE

Chiller starting. Time schedule is occupied.

STARTUP IN PROGRESS

REMOTE CONTACT CLOSED

Chiller starting. Remote contacts are closed.

STARTUP IN PROGRESS

START COMMAND IN EFFECT

Chiller starting. Chiller START/STOP on STATUS01 manually forced

to start.

 

 

AUTORESTART IN PROGRESS

OCCUPIED MODE

Chiller starting. Time schedule is occupied.

AUTORESTART IN PROGRESS

REMOTE CONTACT CLOSED

Chiller starting. Remote contacts are closed.

AUTORESTART IN PROGRESS

START COMMAND IN EFFECT

Chiller starting. Chiller START/STOP on STATUS01 manually forced

to start.

 

 

F. SPARE SENSOR ALERT MESSAGES

PRIMARY MESSAGE

SECONDARY MESSAGE

ALARM MESSAGE/PRIMARY CAUSE

ADDITIONAL CAUSE/REMEDY

SPARE SENSOR ALERT

COMMON CHWS SENSOR

Sensor Fault: Check common CHWS sensor.

 

SPARE SENSOR ALERT

COMMON CHWR SENSOR

Sensor Fault: Check common CHWR

 

 

 

sensor.

 

SPARE SENSOR ALERT

REMOTE RESET SENSOR

Sensor Fault: Check remote reset tempera-

 

 

 

ture sensor.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 1

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 1.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 2

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 2.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 3

Sensor Fault: Check temperature sensor Ð

Check alert temperature set points on EQUIP-

 

 

Spare 3.

 

 

MENT SERVICE table, SERVICE2 screen.

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 4

Sensor Fault: Check temperature sensor Ð

Check sensor for accuracy if reading is not

 

 

Spare 4.

 

 

accurate.

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 5

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 5.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 6

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 6.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 7

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 7.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 8

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 8.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 9

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 9.

 

87

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Carrier 17EX specifications Starts Limit Exceeded, Autorestart in Progress

17EX specifications

The Carrier 17EX is recognized as an innovative air conditioning solution that combines efficiency with advanced technology. This model is designed to meet the increasing demands of residential and commercial cooling needs while maintaining environmental consciousness.

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