Siemens KION Service Manual page 109

KION / KION-i
Checking bellows level detectors-test fails
During this sequence of the PuC, it is checked
whether the Bellows position sensor is able to detect
the white plastic ring on the upper part of the
breathing bellows.
Errors are recorded as Diagnostic Logs 272–274.
1. Check no items are placed in a position to block
the infrared beam, e.g. paper fallen between the
column and the bellows housing.
2. Clean the bellows housing and the window on
the bellows position sensor.
3. Check that the bellows position sensor is
mounted in correct position (level).
45
mm
4. Redo the PuC. If the test still fails, continue with
Step 5.
5. Check function of the bellows position sensor:
• Make sure that the breathing bellows is in its
lower position.
• Connect a voltmeter between connector P46 /
Pin C9 on PC 1750 Transducer and GND.
• Set KION / KION-i to Standby.
• Check that the voltmeter reads +5 V.
• Cover the bellows position sensor "window"
with a piece of white paper.
• Check that the voltmeter reads 0 V.
• Shifting between +5V and 0V indicates that the
sensor is OK and that the fault is located to
PC 1750. Check and replace if necessary.
• If voltage does not shift, check and if necessary
replace:
– PC 1766 Bellows position sensor
– Patient unit cable connecting PC 1766 with
PC 1733 / PC 1796.
6. Redo the PuC after each checked / replaced part.
If the test still fails, report to EM-HSC.
E382 E392E 061 01 02 02
Checking mushroom valves-test fails
During this sequence of the PuC the proper function
of the mushroom valves is checked.
Errors are recorded as Diagnostic Logs 275–277.
1. Check that the mushroom valves and the patient
cassette support plate are clean.
2. Check that the valve assembly plate is correctly
mounted on the patient cassette.
3. Check that the mushroom valves are undamaged
and correctly mounted on the valve assembly
plate.
4. Check that the mushroom valves MV1–5 and the
corresponding electromagnetic valves EMV1–5
work properly. Hold a valve assembly plate in
correct position on the support plate and run the
ventilator with the settings described in the table
below.
MV2 MV1
Setting
Circle System / Manual Vent.
Circle System / Volume Contr.
Non-Rebreathing / Manual Vent.
Non-Rebreathing / Volume Contr.
O = Inflated
5. Check the Mushroom valve control gas supply
pressure (20 kPa delivered by REG 1). For
adjustment of REG 1, refer to the tool "Pressure
Tester 0.2 bar regulator", P/N 65 62 479.
6. Check adjustment of the patient cassette support
plate with aid of the "Support plate adjustment
tool", P/N 66 37 529. This measuring gauge is
needed for proper adjustment of the patient
cassette support plate in order to minimize
leakage between patient cassette and patient unit.
7. Redo the PuC after each action. If the test still
fails, report to EM-HSC.
Siemens-Elema AB
Troubleshooting
MV4 MV3
MV1 MV2 MV3 MV4 MV5
– O O
O O –
O X O O
O – O O
– = Deflated X = Switching
6
MV5
– O
– O
O
–
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