D6.D7.5-MANS
Mar ’19
- 24 -
Common Compressor Faults
Common Faults
Noted below are the most common Faults experienced.
‘CSC50’ Alarms
There is an issue with the Unit, but it will still operate.
Code:
Description:
Most Common Items to Check:
A:2118
High Pressure
Solenoid not working, Intake Valve Orifice clogged, Transducer dirty or faulty, pressure changed
incorrectly, alternate external pressure source
A:2128
High Temperature
Ambient temp high, Unit dirty, low oil level, no air flow through Unit, Temp Sensor defective
A:2816
Power Failure Occurred
Press ‘Reset’ Button and restart Unit
A:3123
Run Inhibited – Temp too low
Ambient temp low, Temp Sensor defective
A:3423
Load Inhibited – Temp too low
Ambient temp low, Temp Sensor defective
A:4804
Service Due
Service unit (please refer to Preventative Maintenance Schedule on pg. 13)
‘CSC50’ Shutdown Errors
There is an issue with the Unit, and the Unit will not operate until the Fault has been addressed.
Code:
Description:
Most Common Items to Check:
E:0020
Motor Overload
Motor drawing high amps, low voltage, higher pressure settings, low oil level, loose wires
E:0040
Anti-Rotation
Rotation of Motor wrong, Solenoid Valve not relieving pressure, Intake Valve Orifice clogged
E:0115
Pressure Sensor Fault
Transducer cable loose, Pressure Transducer defective
E:0119
Excessive Pressure
Solenoid Not working, Intake Valve Orifice clogged, Transducer dirty or faulty, pressure
changed incorrectly, alternate external pressure source
E:0125
Temperature Sensor Fault
Temperature Sensor not making good electrical contact, or defective
E:0129
Excessive Temperature
Ambient temp high, Unit dirty, low oil level, no air flow through Unit, Temp Sensor defective
E:0866
Control Power Low
Low Line Voltage, Fuse(s) Blown