Emerson 571-0066-00 Bulletin Download Page 9

 

 
 
 
 
 

AE8-1379 R2  

 
 
 

Table 1 - Quick Reference Table 

 

Alert Code 

 

Alert Condition 

 

Lock Level 

Lock  

Indication 

Normal Run 

Solid Yellow 
 
Code1 

Yellow Flash 1 

 

Normal operation, no trip. 

 

Long run time. Compressor is on running for more  
than  18  hours.  (Code1  is  disabled  in  Heat  Pump  
mode.) 

 

N/A 

N/A 

 
 

N/A 

N/A  

 

Code2 

Compressor (pressure) trip. Compressor runs for 

Red: Flash 2 

Yellow Flash 2 

12 sec to 15 min followed by a compressor trip 

4x consecutive 

condition lasting longer than 7 min. 

Yellow: Off 

 

Code3 

Yellow Flash 3 
 

Code4 

Yellow Flash 4 
 
Code5 

Yellow Flash 5 

 

Pressure  switch  cycling.  Compressor  runs  for  12 
sec to 15 min followed by a compressor trip lasting 
between 35 sec to 7 min. 

 

Locked  rotor.  Compressor  trips  within  a  compressor  
run time of 12 sec and does not start within 35 sec. 

 

Compressor  (moderate  run)  trip.  Compressor  runs 
for  15  min  to  18  hrs  followed  by  a  compressor  trip 
lasting longer than 7 min. 

 

4x consecutive 

Red: Flash 3 

or 10x total  

 

Yellow: Off 

 

 

Red:  Flash  4 

10x consecutive 

Yellow: Off 

 

4x consecutive 

Red: Flash 5 

or 10x total  

 

Yellow: Off  

 

Code9 

Current >2A 

Red: Flash 9 

Red Flash 9 

The current to the PROT terminal is greater than 2A 

for 40ms 

Yellow: Off 

 

Trip 

Solid Red 

 
 

Demand is present, but compressor is not running 

 
 

N/A 

N/A  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

© 2015 Emerson Climate Technologies 

Summary of Contents for 571-0066-00

Page 1: ...ion 4 Compressor Protection 5 Module LED Description 5 Module Operation Code Description 5 Resetting Alert codes 5 Module History Download 6 Warranty Information 6 Support 6 Figures and Tables Two Wire Diagram Typical Cooling Application 7 Three Wire Diagram Typical Heat Pump Application 7 Three Wire Diagram Typical Cooling Application 7 Module Dimensions 8 Quick Reference Table 9 CoreSense Diagno...

Page 2: ...gly advised to follow these safety instructions SafetyIconExplanation DANGER WARNING CAUTION NOTICE CAUTION 2015 Emerson Climate Technologies DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION used with the safety alert symbol indicates a haza...

Page 3: ...ly approved refrigerants and refrigeration oils Personal safety equipment must be used Failure to follow these warnings could result in serious personal injury BURN HAZARD Do not touch the compressor until it has cooled down Ensure that materials and wiring do not touch high temperature areas of the compressor Use caution when brazing system components Personal safety equipment must be used Failur...

Page 4: ... continuously by R and C and is ideal for all packaged unit applications and for split systems applications where R and C are available at the outdoor unit See Figures 1 and 2 Product Specifications Operating Temp 40 to 150 F 40 to 65 C Storage Temp 60 to 175 F 49 to 80 C Supply Voltage 19 to 28VAC 48 to 62Hz 2015 Emerson Climate Technologies Working amperage for module 2 to 30A Maximum Power Cons...

Page 5: ...le will not lockout the compressor for this condition Code 2 Compressor Pressure Trips The module will flash yellow two times when the compressor operates from 12 seconds to 15 minutes 2015 Emerson Climate Technologies followed by a trip condition lasting longer than seven minutes When four consecutive Code 2 events are recorded the module will lockout the compressor and flash red two times Code 3...

Page 6: ... and store fault history and module operation time This information can be used to help diagnose and review data from troubled systems in the field HVACR Fault Finder PC Edition kit 9989 0099 01 with software and cable For more information please contact your Emerson Climate Technologies Application Engineer Warranty Information Emerson Climate Technologies Inc warrants its diagnostic module to be...

Page 7: ...o Wire Diagram HPCO LPCO T1 Defrost Board Indoor C Unit Y R ASC T2 Y C R Contactor Coil P PROT C Y R CoreSense Module Figure 2 571 0067 00 Three Wire Diagram Contactor Coil HPCO LPCO P PROT Indoor Unit C C Y Y R R CoreSense Module Figure 3 571 0067 00 Three Wire Diagram 2015 Emerson Climate Technologies 7 ...

Page 8: ...2 Current Sensor Opening Reset Bu on Yellow LED Red LED PROT Y 3 Wire Only C Data Port Not Present on 2 Wire R 3 Wire Only Y 2 Wire Only Figure 4 Dimensions are in Millimeters 2015 Emerson Climate Technologies 8 ...

Page 9: ...low Flash 5 Pressure switch cycling Compressor runs for 12 sec to 15 min followed by a compressor trip lasting between 35 sec to 7 min Locked rotor Compressor trips within a compressor run time of 12 sec and does not start within 35 sec Compressor moderate run trip Compressor runs for 15 min to 18 hrs followed by a compressor trip lasting longer than 7 min 4x consecutive Red Flash 3 or 10x total Y...

Page 10: ...ssor Yellow ALERT is running extremely long run Flash Code 1 cycles indicative of low capacity due to a system low side fault 3 Evaporator coil is frozen Check for low suction pressure Check for excessively low thermostat setting Check evaporator airflow coil blockages or return air filter Check ductwork or registers for blockage 4 Faulty metering device Check TXV bulb installation size location a...

Page 11: ...eck if system is overcharged with refrigerant Check for non condensable in system 3 Condenser coil poor air circulation dirty blocked damaged Red LOCK Short Cycling Compressor is 1 Thermostat demand signal is intermittent Flash Code 3 locked out after 10 consecutive 2 Time delay relay or control board defective Yellow Off short cycling events 3 If high pressure switch present go to Flash Code 2 in...

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