Troubleshooting, T r o u b l e s h o o t i n g, Table 28. troubleshooting guide – Fluke HPMS User Manual
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6. TROUBLESHOOTING
Page 129
© 2007 DH Instruments, a Fluke Company
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RPM4 is a sophisticated pressure setting and measuring instrument with advanced on-board features and
functions. Before assuming that unexpected behavior is caused by a system defect or breakdown, the
operator should use this manual and other training facilities to become thoroughly familiar with RPM4
operation. This troubleshooting guide is intended as an aid in identifying the reason for RPM4 behavior
and determining whether the behavior is normal operation or due to an internal or external problem.
Identify the symptom or unexpected behavior you are observing from the SYMPTOM list below.
A PROBABLE CAUSE is provided and a SOLUTION is proposed including references to manual
sections that provide information that may be of assistance.
Table 28. Troubleshooting guide
SYMPTOM
PROBABLE CAUSE
SOLUTION
Will not power up.
Blown fuse.
Replace fuse.
Cannot access certain functions
>ACCESS RESTRICTED<
User level has been set that restricts access
to certain functions.
Change user level or consult system
manager. 3.5.5.5
Displays <FATAL ERROR> or
<FATAL FAULT>.
Encountered unresolved internal software
conflict.
Cycle power to clear. Please record
conditions leading up to event including
the numbers displayed when [ENT] is
pressed and report to your DHI
Authorized Service Provider. Table 23
Front panel keys seem to be
disabled.
”remote” command has been sent from a
host computer.
Send ”local” command from host
computer or cycle RPM4 power. 4, 4.4.4
Measured pressure display or
other displays have too much/not
enough resolution.
Resolution setting needs to be changed.
Change resolution setting using the
resolution function, using AutoRange or
by initializing an AutoTest. 3.4.2, 3.3.4,
3.3.10
Can’t increase resolution to level
desired in AutoRanged range.
Resolution setting is limited when
AutoRanging under 10 % of Q-RPT default
range.
Operation is normal. 3.3.4, Table 6
Values that should be non-zero
are displayed as zero.
Resolution setting needs to be increased to
view significant digits.
Change resolution setting. 3.4.2
Keypad presses make undesired
sounds or NO sounds.
Keypad sound settings are incorrect.
Use SOUND function to set keypad
sounds as desired. 3.5.5.2
Bottom line of display has
changed and you want to change
it back.
The DISPLAY function has been used to
change the display.
Use [DISPLAY] to set bottom line to
desired display. 3.3.6
Bottom line of display is blank.
DISPLAY mode is “clean”.
Use [DISPLAY] to change bottom line
display if desired. 3.3.6
The pressure units available
under the [UNIT] function key are
not the ones you want.
UNIT function needs to be customized.
Use PresU function to customize the
UNIT function or reset units to default.
3.5.6, 3.5.9.2
Front panel display is dim.
Screen saver option has activated.
Operation is normal. Press any key to
resume full screen power. Adjust screen
saver time, if desired. 3.5.5.1