Amana GPCM3 Series Service And Troubleshooting page 46

Troubleshooting
Yes
Are refrigerant
pressures and
superheat/subcooling
correct?
Yes
46
Check for
Check for
No
No
leak in
restriction in
refrigerant
system
system
Yes
No
Yes
Clear restriction
Repair Leak
Heat Pump - Cooling (1 Stage)
Verify refrigerant charge
Pressure test, evacuate and
recharge system
Pressure test, evacuate and
recharge system
Heat pump cooling mode
operation