ASPT Service Manual
Table Of Contents
- IMPORTANT INFORMATION
- PRODUCT IDENTIFICATION
- Checking Voltage
- Checking Wiring
- Checking Thermostat And Wiring
- Thermostat Wiring
- Checking Transformer And Control Circuit
- Checking Contactor And/Or Relays
- Checking Contactor Contacts
- Checking Fan Relay Contacts
- Checking Loss Of Charge Protector (Heat Pump Models)
- Checking High Pressure Control
- Checking Low Pressure Control
- Copeland Comfort Alert™ Diagnostics - 3-Wire module
- Copeland Coresense™ Diagnostics - 3-Wire module
- Checking Capacitor
- Resistance Check Using A Digital Multi-Meter
- Capacitance Check Using A Digital Multi-Meter (In Capacitance Mode)
- Testing a Run Capacitor Under Load
- Checking Outdoor Fan and Blower Motors (PSC Motors)
- Checking Fan and Blower Motor (ECM Motors)
- Checking ECM Motor Windings
- ECM CFM Adjustments MBE/AEPF
- Blower Performance Data
- Checking High Efficiency Motors
- EEM Blower Replacement
- MBR/AR*F Electronic Blower Time Delay Relay
- Checking Compressor
- Resistance Test
- Ground Test
- Unloader Test Procedure
- Operation Test
- Checking 3-Phase Scroll Compressor Rotation
- Testing Crankcase Heater (Optional Item)
- Checking Reversing Valve and Solenoid
- Testing Defrost Control
- Testing Defrost Thermostat
- Checking Heater Limit Control(s)
- Checking Heater Elements
- Electric Heater (Optional Item)
- Checking Heater Limit Control(s)
- Checking Heater Elements
- Refrigeration Repair Practice
- Leak Testing (Nitrogen or Nitrogen-Traced)
- Evacuation
- Charging
- Checking Compressor Efficiency
- Overfeeding
- Underfeeding
- Checking Superheat
- Subcooling on Expansion Valve System
- Checking Expansion Valve Operation
- Checking Restricted Liquid Line
- Overcharge Of Refrigerant
- Non-Condensables
- Compressor Burnout
- Refrigerant Piping
- Duct Static Pressures
- Single Piece Air Handler External Static
- Two Piece Air Handler External Static Pressure
- Furnace External Static Pressure
- Periodic Maintenance
SERVICING
75
Alert Code Alert Condition
Normal Run
Solid Yellow
Normal operation, no trip N/A N/A
Code1
Yellow Flash 1
Long run time. Compressor is on running for more than 18
hours. (Code1 is disabled in Heat Pump mode.)
N/A N/A
Code2
Yellow Flash 2
Compressor (pressure) trip. Compressor runs for 12 sec
to 15 min followed by a compressor trip condition lasting
longer than 7 min.
4x consecutive
Red: Flash 2
Yellow: Off
Code3
Yellow Flash 3
Pressure switch cycling. Compressor runs for 12 sec to
15 min followed by a compressor trip lasting between 35
sec to 7 min.
4x consecutive
or 10x total
Red: Flash 3
Yellow: Off
Code4
Yellow Flash 4
Locked rotor. Compressor triips within a compressor run
time of 12 sec and does not start within 35 sec.
10x
consecutive
Red: Flash 4
Yellow: Off
Code5
Yellow Flash 5
Compressor (moderate run) trip. Compressor runs for 15
min to 18 hrs followed by a compressor trip lasting longer
than 7 min.
4x consecutive
or 10x total
Red: Flash 5
Yellow: Off
Code9
Red Flash 9
The current to the PROT terminal is greater than 2A
Current > 2A
for 40ms
Red: Flash 9
Yellow: Off
Trip
Solid Red
Demand is present, but compressor is not running N/A N/A