Zephyr ZC350, Operation Manual

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4
8. Trouble Shooting
Trouble Possible Causes Possible Fix
Motor unable
to run,
running slow
or getting
hot. (1) Fault in line, or voltage
insufficient
(2) Power cable to thin or too long
(3) Faulty pressure switch
(4) Faulty motor
(5) Pistons not rotating (1) Check the electrical supply
(2) Replace the cable
(3) Repair or Replace
(4) Check and Repair
(5) Check and Repair
Pistons not
rotating (1) Moving parts burnt out due to
lack of oil
(2) Moving parts damaged, or stuck
by foreign object. Check crankshaft, bearings,
connecting rod, piston, piston
rings etc…. Replace if
necessary.
Shaking or
abnormal
noise (1) Connecting parts loose
(2) Foreign object is the pump
(3) Piston hitting valve seat
(4) Moving parts worn (1) Check and retighten
(2) Check and Clean
(3) Replace with thicker gasket
(4) Repair or Replace
Decrease in
pressure (1) Motor running to slow
(2) Air filter blocked
(3) Leaking pressure switch
(4) Leaking discharge pipe
(5) Gasket damaged
(6) Valve plate damaged, carbon
build up or stuck
(7) Piston ring and cylinder worn or
damaged (1) Check
(2) Clean or replace the air
filter
(3) Check and adjust
(4) Check and Repair
(5) Check and Replace
(6) Replace and Clean
(7) Repair or replace
Using to
much oil (1) Oil level too high
(2) Breather pipe blocked
(3) Piston ring and cylinder worn or
damaged (1) Check the level is within
the site glass
(2) Check and Clean
(3) Repair or Replace