Sullair 02250165-411 R01, User Manual

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WS CONTROLLER USER INTERFACE MANUAL SECTION 5
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Main Motor Overload Main Motor Overload Relay
Tripped. Reset overload after heater element cools
down.
Check that compressor is properly
configured.
Ensure load pressure is set below limit of
compressor.
Check line voltage, if low consult power
company.
Maintenance Service interval has expired.
Maintenance due. Perform recommended maintenance and
reset the reminder using WSPC.
Memory Fault The controller I/O board has failed. Board replacement required. Contact Sullair
Factory Service.
Option Input Option Input Run User furnished switch has
operated. Check operation of optional device.
Phase Relay User furnished external phase
relay protection relay has tripped. Check operation of optional device. Refer to
user supplied phase relay documentation
and troubleshooting steps.
Power Interruption Intermittent Control Power. Check line voltage and connections.
Replace Battery Controller I/O backup battery is
low. Replace battery.
Separator dP High (fault)
High Separator dP (warning) Pressure Differential Across
Separator High.
Plugged separator elements.
Pressure sensor failure. Replace separator.
Check sensor wiring.
Sequence Comm Error Cable or connection fault between
compressors.
Improper sequence adjustments. Check wiring.
Check sequence settings of all
compressors in the sequence.
Starter Aux. Contact Starter failed to operate.
Faulty auxiliary contact. Check starter and control wiring.
Check contact and contact wiring.
UI Voltage too High Controller fault. Contact Sullair Factory Service.
UI Voltage too Low Controller fault. Contact Sullair Factory Service.
User Option Switch User furnished switch has
operated. Check function of optional device.
Voltage Sensor failed High Controller fault. Contact Sullair Factory Service.
Voltage Sensor failed Low Controller fault. Contact Sullair Factory Service.
Table 5-1: WS Controller Troubleshooting Guide
MESSAGE PROBABLE CAUSE REMEDY