Sullair 02250160-842 Instruction Manual page 24

Section 4
WS CONTROLLER DESCRIPTION
The list below provides an explanation of the Fault Messages that may appear when problems
occur. Refer to Section
condition occurs.
Aux Motor Overload - The auxiliary motor overload relay has been tripped due to a power
overload in the auxiliary motor.
Controller Watchdog - Controller watchdog timer error.
E-Stop Push Button - Emergency Stop button has been pressed.
High AN0 Sensor (AN0 - AN9) - Device assigned to sensor input AN0 thru AN9 (temp probe,
transducer unit, etc.) or wiring between the device and the controller module has resulted in an
open circuit.
High Package Pressure - Package discharge pressure has exceeded the set high limit.
High Plant Pressure - Plant line pressure has exceeded the set high limit.
High Pressure A ... B - Pressure at specified transducer (A or B) has exceeded the set high
limit.
High Sump Pressure - Compressor sump pressure has risen above the set limits.
High Temperature 1 ... 3 - The temperature at specified temp probe (1 thru 3) has risen above
the set high limit.
High Volt Sensor - Indicates the system high voltage sensor has failed.
Illegal State - Controller operating error.
Internal Com Error - An error in communication between the controller and the PC User
Interface has occurred.
Low AN0 Sensor (AN0 - AN9) - Device assigned to sensor input AN0 thru AN9 (temp probe,
transducer unit, etc.) or wiring between the device and the controller module has resulted in a
short circuit.
Low Line Pressure - The line pressure has fallen below the set low limit.
Low Oil Pressure - Compressor oil pressure has fallen below the set low limit.
Low Sump Pressure - Compressor sump pressure has fallen below the set limits.
Low Temperature 1 ... 3 - Temperature at the specified temp probe (1 thru 3) has fallen below
the set low limit.
Low Voltage Sensor - Indicates the system low voltage sensor has failed.
Low Water Pressure - The water pressure switch has been tripped due to low water pressure.
Main Motor Overload - The main motor overload relay has been tripped due to a power
overload in the main motor.
Option Input - User option error.
Option Input Run - User option error.
Power Interruption - A power interruption has occurred at the controller.
Separator dP High - Separator pressure differential has exceeded the set high limit.
Starter Aux. Contact - Starter auxiliary contact failed to connect power to the starter.
UI Voltage Too High - The voltage to the User Interface has risen above the set limit.
UI Voltage Too Low - The voltage to the User Interface has fallen below the set limit.
VSD1 ... VSD2 Comm Fault - An error in communication between the controller and the
specified VSD compressor has occurred.
20
5, Troubleshooting, for instructions on actions to be taken when a fault