Gardner Denver Reavell H5000 Series, Operator'S Handbook Manual

Page: 48 / 96

FAULT GUIDE
PAGE 46
Symptom Fault Recommendation(s)
11.5 STOPS
SUDDENLY
?
Low oil pressure
switch operating.
9
Check switch.
9
Check compressor rotation.
9
Check oil level.
9
Check & clean oil strainer.
9
Renew oil filter.
9
Renew oil pump.
9
Check condition of main, small end and big end
bearings.
?
Low oil level switch
operating
9
Check switch.
9
Check oil level, refill as necessary.
?
High air / gas
temperature
switches
operating.
9
Check switch and setting.
9
Check cooling water inlet temperature is below
recommended maximum.
9
Check cooling water temperature rise is correct.
9
Check condition of water circuit. Remove any
sludge or scale build-up.
9
Check for obstructions to cooling air flow.
Remove as necessary.
?
Low air / gas inlet
pressure switch
operating.
9
Check switch and setting.
9
Check air / gas inlet pressure.
9
Check correct operation of air / gas inlet
solenoid valve.
9
Check correct operation of air / gas inlet non-
return valve.
9
Check condition of air / gas inlet filter.
?
High air / gas inlet
pressure switch
operating.
9
Check switch and setting.
9
Check air / gas inlet pressure.
9
Check 1
st
stage concentric valves for damage to
seats, springs and/or plates, particularly suction.
9
Check for damage to o-rings and/or seats on 1
st
stage valve covers.
?
Motor short circuit.
9
Check motor circuits.
?
Excessive motor
current.
9
Check incoming power supply.
9
Check motor circuits.
9
Check motor bearings.
9
Check compressor for free rotation and signs of
seizure.
?
Excessive motor
temperature.
9
Check motor circuits.
9
Check motor bearings.
?
Diesel engine fault
9
Check diesel engine handbook
11.6 HIGH OIL
CONSUMPTION
?
Incorrect grade of
lubricant.
9
Change to recommended lubricant.
?
Piston
rings/cylinder worn
or damaged.
9
Check for wear and renew as necessary.
?
Extended periods
of unloaded
running.
9
See fault ‘LOW OUTPUT’
9
Check for problem in control panel.