XAHS365 Md
22
Problem
Possible faults
Corrective actions
1.
Lamp H1 does not light
up when pressing S1.
a. Defective
or
discharged
batteries.
a. Check electrolyte level and charge of
batteries. If no cells are shorted and batteries
are discharged, trace cause and correct.
b. Loose battery cable(s) or terminals oxidized.
b. Check and correct as necessary.
c. Loose connection or damaged wiring.
c. Check wiring and connections. Correct as
necessary.
d. Alternator/regulator defective.
d. Disconnect the wire from alternator terminal
D+ and connect it to terminal B-. If H1 lights
up, replace the alternator.
2.
Starter motor does not
crank engine after
pressing S1 and
depressing S3.
a. Low battery output.
a. See remedy 1a.
b. Air
receiver
pressure
above
1.6
bar.
b. Wait until air receiver is completely
depressurized.
c. Start solenoid K0 or starter motor defective.
c. Check start solenoid K0. Have motor repaired,
if necessary.
3.
Starter motor cranks
engine when depressing
S3, but engine does not
fire.
a. Engine stop solenoid Y1 defective.
a. Check and correct or replace as necessary.
4.
Engine fires but lamp H1
remains alight.
a. Alternator drive belt broken or slipping.
a. Check and correct as necessary.
b. Alternator/regulator defective.
b. Have assembly repaired.
5.
Engine starts but shuts
down after approx. 10
seconds.
a. Fuel tank contains insufficient fuel.
a. Fill fuel tank.
b. Insufficient engine oil pressure.
b. Stop at once, consult "Operating Instructions"
book of the engine.
c. Engine oil pressure switch S5 or compressor
temperature switch S7 defective.
c. Stop at once, test switches, replace as
necessary.
d. Engine temperature switch S14 or fuel level
d. Stop at once. Test switches; replace as
necessary.
e. Low coolant level.
e. Fill coolant tank.
6.
Hourmeter P3 does not
count running time.
a. Replace.
7.
Compressor is loaded
automatically to full
capacity after starting.
a. Loading valve stuck in loaded position.
a. Remove and dismantle. Correct as necessary.
b. Air intake throttle valve stuck in open
b. See 11f.
c. Air leaks in regulating system.
c. See 12b.
8.
Engine does not speed up
immediately after
compressor load push
button has been pressed
and compressor does not
deliver air.
a. Membrane of regulating valve cracked.
a. If air blows from venting devices, remove and
dismantle valve. Replace membrane.
b. Air intake throttle valve stuck in closed
b. See 11f.
9.
Excessive compressor oil
consumption. Oil mist
being discharged from
air outlet valves.
a. Oil level too high due to overfilling or
formation of condensate in oil tank.
a. Unscrew filler plug one turn and wait until all
pressure is released. Drain oil until the oil
level shows in the sight glass.
b. Flow restrictor in oil scavenging line of air
b. Remove hoses and clean flow restrictor.
c. Oil separator element defective.
c. Have element removed and inspected by an
Atlas Copco Service representative.
Summary of Contents for XAHS365 Md
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Page 39: ...Printed in Belgium 10 2000 2927 1233 03 ...
Page 40: ...Instruction Manual for Portable Compressors XAHS365 Md ...
