Fluke RPM4 manual SDS Closed is displayed, Rpt

		6. TROUBLESHOOTING
SYMPTOM	PROBABLE CAUSE	SOLUTION
Disagreement between two Q-RPTs	Difference is actually within tolerance and	Compare differences observed to
		tolerances on Q-RPT measurements.
in system appears excessive.	acceptable disagreement.
		1.2.2.1
Apparent inaccurate pressure	Reference transducer destroyed by	Contact DHI Authorized Service Provider.
control/measure and little or no
	overpressure.	Table 29
response from Q-RPT:
	Incorrect pressure units and/or measurement	Set desired pressure units and/or
		measurement mode. Consider reference
	mode (gauge or absolute).
		temperature if unit is inWa. 3.3.2, 3.3.3
Apparent inaccurate pressure
	Q-RPT calibration coefficients have been	Check and correct calibration coefficients if
measurement.
	altered.	needed. 5.2
	AutoZ has been run and turned ON with an	Check value of Poffset. Rerun AutoZ with a
	incorrect standard for zero.	valid reference. 3.5.1
Apparent inaccurate pressure	An unplanned “head” correction is active or	Operation is normal. Remove or change
measurement and <h> is
	head height or fluid is incorrect.	“head” correction. 3.3.7
displayed on top line of screen.
	Need to run AutoZ to rezero in gauge mode.	Run AutoZ. 3.3.9
Pressure applied is zero gauge
	Current measurement mode is absolute and	Check measurement mode setting and
but reading is NOT zero.		set to gauge if gauge pressure
	RPM4 is indicating atmospheric pressure.	measurements are desired. 3.3.3
		Operation is normal. Check
Pressure applied is atmospheric	Current measurement mode is gauge and	measurement mode setting and set to
but RPM4 indicates near zero.	RPM4 is indicating zero gauge pressure.	absolute if absolute pressure
		measurements are desired. 3.3.3
A third Q-RPT designated HL is	Parallel measurement mode has been	Operation is normal. Turn off parallel
available but RPM4 has only two
	activated.	measurement mode if desired. 3.5.7.3
Q-RPTs.
NOT reading pressure applied to	SDS is CLOSED for the active Q-RPT so the	After taking precautions to assure that
the test port and <SDS CLOSED>
	pressure applied to the test port is NOT	pressure applied to test port is safe for
is flashing over the pressure
	getting to the Q-RPT.	the RPT, OPEN SDS. 3.2.7, 3.3.8
indication.
	RPM4 may have two TEST(+) ports and the	Familiarize yourself with your RPM4
		configuration. Connect pressure to be
	pressure to be measured is connected to the
		measured to correct TEST(+) port.
	wrong Q-RPT’s port
Is NOT reading pressure applied		2.3.5, 5.6
to the TEST(+) port.	RPM4 may have two TEST(+) ports and	Familiarize yourself with your RPM4
	pressure to be measured is connected to	configuration. Select active range to be
	correct port but active Q-RPT is NOT the	on the Q-RPT to which the pressure to
	Q-RPT on that TEST port.	be measured is corrected. 5.6, 3.3.1
<SDS CLOSED> is displayed	SDS is CLOSED for the active Q-RPT.	Operation is normal. OPEN SDS if
alternating with the measured
		desired. 3.3.8
pressure.
SDS should be present on a	SDS has been turned full time OFF for the
Q-RPT but does not seem to be		Turn SDS full time ON. 3.5.4.2
	Q-RPT.
active.
SDS will not OPEN for the Q-RPT	When not in differential or parallel	Use direct SDS direct control to OPEN
	measurement mode, SDS on the inactive
shown on the second line in the
	Q-RPT can only be OPENED using direct	SDS on the inactive Q-RPT. 3.5.4.1
Q-RPT DISPLAY function.
	SDS control.
SDS was left OPEN on one	When changing ranges causes a change of
Q-RPT when ranges were
	the active Q-RPT, SDS is always CLOSED	Operation is normal. 3.2.7
changed. When you come back
	for the Q-RPT that becomes inactive.
to it, its CLOSED again.
You would like to eliminate the	Set SDS to be inactive except for an	Turn SDS full time OFF for the Q-RPT.
SDS function for a Q-RPT.	overpressure situation.	3.5.4.2

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