Emerson Vilter PLC Operation Manual page 72

Section 11 • Alarms, Trips, Status Information & Troubleshooting
Alarm Message
(A042) Alarm: Blower 2 - Low
Suction Pressure
(A043) Alarm: Blower 2 - High Phase
A Temperature
(A044) Alarm: Blower 2 - High Phase
B Temperature
(A045) Alarm: Blower 2 - High Phase
C Temperature
(A046) Alarm: Blower 2 - High ODE
Bearing Temperature
(A047) Alarm: Blower 2 - High DE
Bearing Temperature
(A048) Alarm: Blower 2 - High Motor
Amps
(A049) Alarm: Blower 2 - VFD Speed
Reference Fault
(A050) Alarm: Blower 2 - Oil Cooler
Fan Fault
(A051) Alarm:
(A052) Alarm:
(A053) Alarm:
(A054) Alarm:
(A055) Alarm:
(A056) Alarm:
(A057) Alarm:
(A058) Alarm:
(A059) Alarm:
(A060) Alarm: Blower 3 - High
Discharge Temperature
(A061) Alarm: Blower 3 - High
Discharge Pressure
(A062) Alarm: Blower 3 - Low
Suction Pressure
11 – 4
Cause(s)
Blower 2 Suction Pressure falls
below "Suction Pressure" Low Alarm
Setpoint
Phase A Motor Winding
Temperature exceeds Motor
Winding Temperature High Alarm
Setpoint
Phase B Motor Winding Temperature
exceeds Motor Winding
Temperature High Alarm Setpoint
Phase C Motor Winding Temperature
exceeds Motor Winding
Temperature High Alarm Setpoint
Drive End Motor Bearing
Temperature exceeds Motor Bearing
Temperature High Alarm Setpoint
Opposite Drive End Motor Bearing
Temperature exceeds Motor Bearing
Temperature High Alarm Setpoint
Blower 2 Motor Amps exceeds
"Motor Amps" High Alarm Setpoint
Blower 2 Actual Speed is not within
1% of commanded speed.
Blower 2 Oil Cooler Fan is command-
ed to run, running confi rmation is
not received.
Blower 3 Discharge Temperature
exceeds "Discharge Temperature"
High Alarm Setpoint
Blower 3 Discharge Pressure exceeds
"Discharge Pressure" High Alarm
Setpoint
Blower 3 Suction Pressure falls
below "Suction Pressure" Low Alarm
Setpoint
Blower Package PLC Operation Manual •Vilter/Emerson • 35391BLP
Notes
Active if Displaying Motor Winding
Temperatures
Active if Displaying Motor Winding
Temperatures
Active if Displaying Motor Winding
Temperatures
Active if Displaying Motor Bearing
Temperatures
Active if Displaying Motor Bearing
Temperatures
Active if an air-cooled oil cooler is
installed.