MTS Series 505G2 SilentFlo Hydraulic Power Unit Model 505G2-30 - Manual (Page 43)

Status Screen
Model 505G2.20 - 505G2.30 SilentFlo™ HPU Operation 43
Status Screen
The Status screen is displayed by pressing the Status button on the Main screen.
The following table describes the pushbuttons and indicators on the Status
screen.
Name and Location Description
Watchdog OK/Watchdog Fault Indicator. Used to indicate the status of the watchdog timer.
Watchdog OK - gray: Indicates the PLC that controls the HPU is
operating normally.
Watchdog Fault - red: Indicates there is a problem with the
hardware watchdog timer and the PLC is not operating correctly.
A watchdog fault cause the HPU to shutdown. See , “Watchdog
Fault” on page 47 to attempt to recover from this fault condition.
Reset Pushbutton /Indicator. Used to reset interlocks.
Reset - gray: Indicates no active interlocks.
Reset - blue: Indicates one or more interlocks are active. Pressing
the button in this state will clear the interlock(s) provided the
cause of the interlock(s) has been remedied.
Emergency Stop OK/Emergency Stop
Fault Indicator. Used to indicate whether the safety relay is tripped.
E-Stop OK - gray: Indicates the safety relay has not tripped.
E-Stop Fault - red: Indicates the safety relay has tripped. The
cause of a safety relay trip is either the main panel E-stop button,
an external e-stop button, or the HPU watchdog timer.
Oil Level OK/Oil Level Fault Indicator. Used to indicate if the hydraulic fluid level is within
acceptable limits.
Oil Level OK - gray: Indicates the hydraulic fluid level is within
acceptable limits.
Oil Level Fault - red: Indicates the hydraulic fluid level is not
within acceptable limits and an interlock is active.