Trouble Shooting - Part I - Schreiber Engineering 300AC-MRI Owner's Manual

SYMPTOM
Compressor won't run
Compressor runs
No refrigeration
High pressure trips
Low pressure switch
Cutting out
Temperature too high
Temperature too cold

TROUBLE SHOOTING - PART I

DIAGNOSIS
Check
Power supply
Electrical circuit
Check
Line load voltage
Temperature control
Compressor overload
Low pressure switch
High pressure switch
Manual switch
Compressor
All control circuit
Refrigerant leak
Stuck expansion valve
Condenser motor
Air over condenser restricted
Service panel not in place
Defective expansion
Refrigerant leak
Dial thermometer
Temperature controller
Water pump off
Temperature controller
Dial thermometer
Water pump
Correct circuit breaker
Repair or replace bad circuit
Correct voltage condition
Repair or replace
Replace
Repair or replace
Repair or replace
Replace
Replace
Repair
Repair leak and recharge
Replace expansion valve
Repair or replace motor
Clean condenser
Install service panel
Replace expansion valve
Repair leak
Re-adjust or replace
Replace
Check controls circuit
Repair or replace
Out of adjustment
Not circulating water
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REMEDY