Technical data

Other System Faults Detected During Regular Inspections
Fault Possible Cause Remedy
EXCESSIVE NOISE I VIBRATION Liquid refrigerant entering compressor Check suction superheat
Check for load surges
Motor / compressor shaft coupling Check for loose coupling
Bearing damage or excessive wear Check filters for metal
Check bearings
SLIDE VALVE MALFUNCTION Hydraulic service valve(s) closed Check valves are all open
Failed actuator solenoid valve Check slide valve is free to move
Check solenoid valve coil
Check solenoid valve
Unloader spindle or slide valve
jammed
Check slide valve is free to move
Slide valve indicator rod jammed Check indicator rod is straight
Slipper seals worn or damaged Check seals
8-6 035L02381-GB0