April 12, 2012 Manual Version 1.1
6.2
This could be a bad connection to the fill valve, a failed fill valve, or no plant
air pressure. Probably the most common cause would be a bad air leak in the
system.
Unable to Dump The system was unable to make progress when trying to lower the air
pressure. Probably a bad connection to the dump valve or a failed dump
valve.
Max. Press. Exceeded The air pressure exceeded the maximum pressure programmed in the
configuration menu. Probably indicates a leaking fill valve or bad wiring
causing the fill valve to be on too long.
Not at Min. Pressure The air pressure is not at the minimum pressure programmed in the
configuration menu.
A/D converter Fail The A/D converter failed so no pressure readings can be made. Indicates a
hardware error on the base board.
Bad Config Data The configuration data for this system was corrupted. The information in the
configuration menu for this system must be reentered.
Pressure Switch Low There is a pressure switch on the input air supply to the air valves. If the input
air pressure is too low then the system could open the fill valve intending to
raise the pressure but instead vent some air back into the air supply. The
system will not fill as long as the pressure switch is low.
Section 6.3 Counterbalance, Cushion and Hydraulic Overload “Status” Messages
At Pressure The air system is within tolerance of its target pressure.
Filling The system is filling (raising the air pressure).
Dumping The system is dumping (lowering the air pressure).
Air Pressure High
The air pressure in the system is too high.
Air Pressure Low The air pressure in the system is too low.
System is Off
The system has been turned off in the configuration menu. The pressure will
still be displayed if the transducer is working properly. In addition, if the
system is equipped with a type “C” integrated valve (see section 3.1), the air
pressure may still be adjusted with the manual regulator.
System Vented
A pressure setpoint of 0 psi was entered for a cushion system. The dump
valve is left open in this condition.
Ctr-Bal Vented -Stop
A pressure setpoint of 0 was entered for a counterbalance. The dump valve is
left open in this condition. Unlike a cushion, this is considered a stop
condition.
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