Troubleshooting guide
72
Safety Failure Message
Run Filter Diff Press Fail – This message will appear if the Filter Differential pressure rises above the
High Fltr Diff Press – Run setpoint after the Filter Differential Pressure
Safety Changeover timer times out.
Maximum Amperage Fail – This message will appear if the motor amperage rises above the Hi Motor
Amps trip setpoint.
Motor Starter Aux Contact Fail – This message will appear if the Motor Auxiliary contact fails to close
before the Compressor Starter Auxiliary Contact Bypass timer times out.
Refer to wiring diagram.
Auxiliary Safety#1 Input Fail – This message will appear when power is removed from the input module
that is designated as “Auxiliary #1 Safety” (please refer to your wiring
diagram).
Lo Oil Separator Level Fail – This message may appear when power is removed from the input module
that is designated as “Lo Separator Oil Level Trip” (please refer to your
wiring diagram). This safety has an associated delay. The associated
delay timer is the Lo Oil Separator Level Bypass Timer. This safety will
activate only after the oil level has been low after the timer times out.