Graco Dyna-Star HP 77X202, Инструкция по эксплуатации

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Troubleshooting
3A3956D 21
Low level alarm did not come on but
pump cavitates (runs out of grease).
or
Pressure is not building in the system
and a “no pressure” error is initiated
Low level sensor malfunction
Check sensor LED. If green, tank has
grease but pump is not able to pump
grease. See Troubleshooting instruc-
tions in pump manual 332514.
Check sensor LED. If amber, tank
has no grease. check wiring between
sensor and alarm.
Check sensor LED. If there is no
light, check sensor wiring to verify
there is power to the sensor.
Pressure switch malfunction Check pressure switch wiring
Low pressure or no pressure in the
system Check piping for leaks. If a leak is
detected, repair or replace piping.
Check injectors for leaks. If a leak is
detected repair or replace injectors.
Low level alarm is activated and
continuous but the reservoir is filled
with grease Low level sensor malfunction Check sensor wiring.
Problem Cause Solution