Troubleshooting - IVT AC-24PB Manual

TROUBLESHOOTING

CAUTION! Switch off and remove plug from mains before investigating fault.
Conventional trouble
Electromotor (4) will not run
Abnormal noise,
vibration, compressor knocks
Compressor runs, but it does not
build up sufficient pressure
Air tool is not supplied with
sufficient pressure
Trouble reason
∙ Incorrect power supply and/or
wiring. Fault in power line or voltage
insufficient. Undersized wires or
circuits too long.
∙
Fault in the automatic pressure
switch (10) or in the on-off switch
(11).
∙
Thermal protection tripped, e.g.
by insufficient cooling (e.g. vents
(15) covered).
∙
Fault in the electric electromotor
(4).
∙ Compressor not level.
excessive
∙ Connecting parts or compressor
valves loose or broken.
∙ (AC-70PB; AC-100PB) Loose
belt (19).
∙
Excessive discharge pressure.
∙ Wrong oil being used.
∙ Non-return valve (31) knocks at
low pressure.
∙
Carbon deposits on pistons or
valves.
∙
Bearing, piston or connecting
rod failure.
∙
Slide valve (22) of the receiver
(2) leaky.
∙
Non-return valve (31) leaky.
∙
(AC-70PB; AC-100PB) Drive
belt (19) slipping.
∙ Pressure
opened wide enough.
∙
Hose
compressor and air tool leaky.
∙
Pipe connector (8) closed.
∙
voltage. Check cables, plug, outlet
and mains fuse. Make sure power
is turned on.
∙
∙
cool. Free vents (15) if necessary.
∙
an authorized IVT Service Centre.
∙
∙
components, replace worn parts.
∙
∙
∙
proper oil.
∙
valve (31).
∙
∙
an authorized Service Centre.
∙
slide valve (22), tighten it fingertight
or replace if necessary.
∙
serviced by an authorized Service
Centre
∙
reducer (24) not
∙
more.
connection between
∙
defective parts if necessary.
∙
(where fitted). Check that the
pressure reducer (24) is set to
any value other than 0 (where
applicable).
15
Instruction manual
Remedy
Check power line for proper
Check and repair or replace.
Wait for electromotor (4) to
Have the machine repaired by
Level compressor.
Check, tighten loose
Check belt (19) tension, adjust.
Reduce operating pressure.
Drain well and replace with
Remove and clean non-return
Clean.
Stop the compressor! Contact
Check the condition of the
Have the non-return valve (31)
Tension the belt (19).
Open pressure reducer (24)
Check air hoses, replace
Check that the tap is open
EN