Honeywell Impact Series Operating Instructions And Maintenance Manual page 33

the instrument and the fault investigated. To correctly remove the Pump Adapter,
follow the instructions in Section 4.6.1.
Removal of the Pump Adapter will turn the pump off.
Below 0°C the efficiency of the pump will be adversely affected, requiring a longer
sampling time.
The following is a list of possible problems that could cause the instrument to fail
the various tests detailed in this procedure.
Symptom
The instrument repor ts
'Pump Test Fail'
The instrument repor ts
'Pump Calibration Fail'
PUMP FAULT and
WARNING 16
'Pump Fault' screens are
displayed following the
Pump Calibration.
Impact / Impact Pro / Impact Pro IR Operating Instructions
Possible Cause
The sample pump is in an uncalibrated
state or the operating conditions of
the pump have changed significantly
since the last calibration.
The pump was not blocked correctly
when required.
A blocked condition was not detected
within 30 seconds of the start of
the test.
The pump was not blocked correctly
when required.
There is a leak in the system.
A blocked condition was not detected
within 30 seconds of the start of
the test.
The Pump Assembly is faulty.
The Pump Calibration has failed.
Remedy
Perform the Pump Calibration to
recalibrate the pump.
Remove the Pump Adapter and
refit to restart the test. Ensure that
the pump is blocked correctly when
instructed to.
Remove the Pump Adapter and
refit to restart the test. Ensure that
the pump is blocked as soon as
the 'Please block pump screen' is
displayed.
Remove the Pump Adapter and
refit to restart the test. Ensure that
the pump is blocked correctly when
instructed to.
Check that the following items
are correctly fitted and/or are not
damaged.
• Pump Seal (behind front cover)
• Sample Tube
• Pump Adapter
• Cover grille
Remove the Pump Adapter and
refit to restart the test. Ensure that
the pump is blocked as soon as
the 'Please block pump screen' is
displayed.
Request a new Pump Assembly
or contact Honeywell Analytics for
assistance.
Remove the Pump Adapter and
investigate the fault (see The
instrument reports 'Pump Calibration
Fail' above).
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