WIKA CPP7-H Manual De Instrucciones página 17

6. Faults
Faults
Instable output
pressure or vacuum
Instable output
pressure
Unstable vacuum
System provides
pressure but pressure
drops down to zero.
System provides
pressure but pressure
drops down to lower
value then remains
stable.
WIKA operating instructions, model CPP7-H
Causes
Sealing is defective
Incorrect adapter or the adapter
has not been mounted properly
If unable to locate a cause
Non-return valve (outlet)
contaminated
Pressure relief and switching
valve open
Pressure relief and switching
valve open
Pressure relief and switching
valve open
Incorrect operating procedure
being used
If unable to locate a cause
If unable to locate a cause
Internal damage
Incorrect operating procedure
being used
Measures
Replace the sealing
Check the used adapter and
mount it properly
Return the hand test pump for
checking
Perform maintenance. (see
chapter 7.1.2 "Maintenance of the
non-return valve (outlet)")
Turn the valve to the
"PRESSURE" setting and try
once more
Turn the valve to the "VACUUM"
setting and try once more
Turn the valve to the
"PRESSURE" setting and try
once more
Ensure that correct
operating procedure is
being followed (see chapter
5.5 "Pressure generation")
Return the hand test pump for
checking
Return the hand test pump for
checking
Return the hand test pump for
checking
Ensure that correct
operating procedure is
being followed (see chapter
5.5 "Pressure generation")
EN
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