Section 7
TROUBLESHOOTING-SUPERVISOR
33
P1 Sump Pressure High
(CONTINUED)
P1 Sump Pressure Low
T1 Discharge High, T2
Discharge High
FLOODED
FLOODED
FLOODED
ALL
FLOODED
FLOODED
ALL
ALL
ALL
ALL
ALL
ALWAYS
ALWAYS
ALWAYS
ALWAYS
ALWAYS
ALWAYS
Aircooled
Watercooled
Watercooled
Watercooled
ALWAYS
Sump Pressure High (Poppet,
Spiral, Blowdown or Pneumatic
Valve Failed) (cont.)
Sump Pressure Low
High Temp. Fault
Check minimum pressure check
valve (not applicable to Oil Free
compressors).
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.
7.2 TROUBLESHOOTING GUIDE- SUPERVISOR CONTROLLER (CONTINUED)
MESSAGE MODEL ENABLE PROBABLE CAUSE REMEDY
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