Siemens E382 EH81E 061 01 03 02 Service Manual page 45

Compressor Compact
Malfunction
The temperature alarm is activated:
Abnormal amounts of water flush out through
the moisture relief valve when the valve pin
is depressed:
The manometer does not indicate the correct
operating pressure:
E382 EH81E 061 01 03 02
Action
• Ambient air temperature is too high.
• The compressor's ventilation holes are
blocked. Check cooling air inlets as well
as cooling air outlet.
• The dust filters are clogged. Clean or
replace the filters if necessary.
• Check the operation of the fan. Replace it
if necessary.
• Temperature alarm function faulty. Replace
temperature sensor and/or control section
PC board if necessary.
• Check the operation of the compressor.
Overhaul or replace it if necessary.
• Check the operation of water separator 2
and filter/soleniod valves. Overhaul or
replace them if necessary.
• Malfunction in the thermoelectric cooler.
Check the function of the cooler temp.
switch as previously described. Replace
the thermoelectric cooler if necessary.
• Inspect the compressed air tubing. Clear
obstructions, tighten loose connectors and/
or exchange faulty components.
• Adjust the pressure regulator as described
in the chapter Adjustments. If the operating
pressure cannot be adjusted, replace the
pressure regulator.
• Check the manometer and replace it if
necessary.
• Check the operation of the compressor.
Overhaul or exchange it if necessary.
Siemens-Elema AB
Troubleshooting
45