GE PanaFlow MV80 User Manual page 124

Chapter 5. Troubleshooting and Repair
5.1.1 Level One Hidden Diagnostics Values (cont.)
•
= Calculated
Ck
density, and velocity for a given application. It is used for noise rejection purposes.
value (see above). If the
vortex signal will be rejected resulting in zero flow rate being displayed. The calculated
can be compared to the actual
•
= Threshold level. If the Low Flow Cutoff in the calibration menu is set above this value, the meter will
Lvl
read zero flow. The
setting or the meter will have an output at no flow.
•
= Adjustable filter. Displays the filtering in decibels. Normally reads zero. If this value is
Adj. Filter
consistently –5 or –10, for example, the
•
Iso. Power Volts
•
= Factory use only.
O,I
•
Pulse Out Queue
the pulse output hardware can function. The queue will allow the pulses to "catch up" later if the flow rate
decreases. A better practice is to slow down the totalizer pulse by increasing the value in the (unit)/pulse
setting in the totalizer menu.
•
= Factory use only.
TOF, G, f
•
= Signal board hardware and firmware revision.
Sig. Rev
•
= Microprocessor board hardware and firmware revision.
Miro Rev
•
AD, R, T, F, PT, V
•
SPI Err, Rcv, Sent
•
= Factory use only.
ISR Diagnostic
•
= Factory use only.
Power Fail
•
External Power
•
= Factory use only.
External Alarm
•
Display CG, PWR
•
Internal Temperature
112
at current operating conditions.
Ck
is set too low (in the calibration menu), then the
Ck
setting in the calibration menu to help determine if the
Ck
level can be checked at no flow. At no flow, the
Lvl
= Nominally 2.7 VDC. If less than this, check the flowmeter input power.
= Pulse output queue. This value will accumulate if the totalizer is accumulating faster than
= Factory use only.
= Factory use only.
= Factory use only.
= Factory use only.
= Electronics temperature.
is a variable in the equation that relates signal strength,
Ck
or density setting may be wrong.
Ck
Ck directly controls the
value will be too low and the
fi
value in this menu
Ck
setting is correct.
Ck
must be below the Low Flow Cutoff
Lvl
PanaFlow™ MV80 & MV82 User's Manual
fi