6. TROUBLESHOOTING
Page 201
© 1998-2008 DH Instruments, a Fluke Company
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6.1
OVERVIEW
PG7000 is a sophisticated pressure 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
PG7000 operation. This troubleshooting guide is intended as an aid in identifying the cause of
unexpected PG7000 behavior and determining whether the behavior is due to normal operation or 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.
See the AMH-38/AMH-100 Operation and Maintenance Manual for troubleshooting the operation of an
AMH automated mass handler.
Table 29
.
PG7000 Troubleshooting Checklist
SYMPTOM
PROBABLE CAUSE
SOLUTION
Will NOT power up.
Blown fuse.
Replace fuse in PG7000 Terminal.
Front panel keys seem to be disabled. “REMOTE” command has been sent from
a host computer.
Send “LOCAL” command from host
computer or cycle PG7000 power. 4.3.4.2
Front panel display is dim.
Screen saver option has been activated.
Press any key to resume full screen power,
adjust activation time if desired. 3.11.4.1
Keypad presses make undesired
sounds or no sounds.
Keypad sound settings are incorrect.
Use sounds function to set keypad sounds
as desired. 3.11.42
Cannot access certain functions.
Display shows:
<ACCESS RESTRICTED>.
User Level setting restricts access to
those functions.
Change User Level or consult system
manager. 3.11.8
Cannot establish communication over
interface.
Computer and/or PG7000 interface not
correctly configured; incorrect or bad
interface cable.
Check and correct interface configurations
and cables if necessary. Run COM port test.
3.11.5, 3.11.5.3, 4.2
Displays <FATAL ERROR> or
<FATAL FAULT>.
Encountered unresolved internal software
conflict.
Cycle power to clear. Please record
conditions leading up to the event, including
the numbers displayed when enter is
pressed and report the information to a DHI
Authorized Service Provider.
Display <TOUT> or <TIME-OUT>.
PG7000 is having a communications
problem with an external barometer or
pressure generation/control component.
Check setup and communications with
external barometer or pressure
generation/control component. 3.11.5.4
Displays <******> or <OVERFLOW>
where a numerical value should be.
Number to be displayed is too large for
allocated space. Usually due to an
erroneous setting or measurement
causing an out of limit high value to be
calculated.
Check settings that may be causing an out of
limit high measurement and adjust if
necessary. 3.9.3
The PG Terminal constantly displays
<Searching …. >.
The PG Terminal is unable to establish
communications with the PG7000
Platform.
Check that the PG Terminal to Platform
cable is installed correctly. If still unable to
get beyond <Searching …. >, contact a DHI
Authorized Service Provider. 2.3.1.1
The run screen is not the normal MAIN
run screen.
You are in the SYSTEM or AMBIENT run
screen.
Operation is normal. Press [ESCAPE]
3.8
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