Setpoint
Overpressure
warning
Max. sensor measuring
range
Overpressure
fault
Actual
value
0 bar
Overpressure
warning
Overpressure
fault
Max. sensor measuring
range
Troubleshooting
6‐11
P/N 213828_11
2014 Nordson Corporation
VersaBlue_PPA
Overpressure - Warning - / Overpressure - Fault -
NOTE: The values for warnings and faults are absolute values in Speed
control mode with the option Pressure display. With the option Pressure
control, the values are differential values for sensors A and B and absolute
values for the sensors C.
Overpressure Warning Triggered
Pressure Control: Pressure Sensors A and B
The pressure has exceeded the setpoint by more than the differential value
( Overpressure warning for longer than 20 seconds. This warning is
indicated even if the system is not yet ready.
Automatic Reset
The pressure has fallen below the setpoint plus differential value ()
Overpressure warning.
Pressure Control: Pressure Sensors C
Speed Control (Pressure Display): Pressure Sensors A, B, and C
The pressure has exceeded the absolute value Overpressure warning for
more than 20 seconds. This warning is indicated even if the system is not yet
ready.
Automatic Reset
The pressure has fallen below the absolute value Overpressure warning.
Overpressure Fault Triggered
Pressure Control: Pressure Sensors A and B
The pressure has exceeded the setpoint by more than the differential value
( Overpressure fault for longer than 60 seconds. This fault is indicated
even if the system is not yet ready.
Automatic Reset
The pressure has fallen below the setpoint plus differential value ()
Overpressure fault.
Pressure Control: Pressure Sensors C
Speed Control (Pressure Display): Pressure Sensors A, B, and C
The pressure has exceeded the absolute value Overpressure fault for more
than 60 seconds. This fault is indicated even if the system is not yet ready.
Automatic Reset
The pressure has fallen below the absolute value Overpressure fault.