Sullair LS-32 Operator's Manual And Parts List page 39

5.13 TROUBLESHOOTING GUIDE- SUPERVISOR CONTROLLER (CONTINUED)
MESSAGE
P1 Sump Pressure High
(continued)
P1 Sump Pressure Low
T1 Interstage HIgh, T2
Discharge High, T3 Oil
Temp HIgh, T4 Intercool
High, T5 Discharge
High, T1 Discharge
High, T2 Dry Side High,
T3 Oil Temp High, T4
Interstage High
MODEL ENABLE
ALWAYS
ALL
ALWAYS
ALL
ALWAYS
ALL
ALWAYS
FLOODED
ALWAYS
FLOODED
ALWAYS
ALL
ALWAYS
FLOODED
ALWAYS
FLOODED
Aircooled
ALL
Watercooled
ALL
Watercooled
ALL
Watercooled
ALL
ALWAYS
ALL
PROBABLE CAUSE
Sump Pressure High (cont.)
Sump Pressure Low
High Temp. Fault
Section 5
SUPERVISOR
REMEDY
Solenoid valves, check operation
and wiring.
Pressure regulator, check adjust-
ment and operation.
Check minimum pressure check
valve.
Check pressure sensor, wiring and
tubing.
Machine may have failed to start.
Ambient above 105°F (41°C),
improve local ventilation.
Fluid level low, replenish to proper
level.
Thermal valve, check operation.
Cooler fins dirty, clean fins and fan.
Low water flow, check for valve
closed, pump off or broken pipe.
High water temperature, increase
flow or lower water temperature.
Cooler plugged, clean tubes and
shell, if plugging persists, use clean-
er water.
Sensor failure, check sensor and
wiring.
33