Xylem YSI IOEM, Safety And Installation Manual

Page: 44 / 51

IOEM/REM Safey and Installation Guide
86
IOEM/REM Safey and Installation Guide
87
Troubleshooting
Issue possible cause possible solution
relays are not enabled for
control/alarm/timer system
Verify menu configura
-
tion- See Set Points,
Controls, and Alarm>relay
enable menus and
Timer System>relay enable
menus,
5X00 instrument
user manuals.
temp (high), pH, and or
conductivity relays do
not de-energize when set
point values are read
sensor is configured for
timed control
See
Set Points, Controls,
and Alarm, 5X00 instru-
ment user manuals.
Network Troubleshooting
Issue possible cause possible solution
no communication to
networked unit(s) Are master/slave menus
properly configured?
See
Networking
- page
48.
Is termination relay enabled
in 1st & last IOEM and REM
on network?
See Termination Relay -
page 56.
Are slaves enabled and rec-
ognized at master?
See
System → Communica-
tions → Network →Master
menu,
5X00 instrument
user manuals .
more than one device is
configured as a master
See System → Communica-
tions → Network →Master
menu,
5X00 instrument
user manuals .
slow network perfor-
mance nicked wires;
improper wiring Verify network wiring -
See Wire Network - page
48.
Firmware Updater Troubleshooting
Issue possible cause possible solution
Device “timed out” error incorrect wiring of RS232
connection See
Connect RS232 Com
-
munication Cable
- page
58 .
Issue possible cause possible solution
IOEM and REM does
not go into downloader
mode when “program
device” is selected at
Firmware Updater incorrect wiring of RS232
connection see “ Status leds ” on page
85 to confirm that expan-
sion module is in down-
loader.
unit does not upload new
code at downloader unit is not in downloader
mode see “ Status leds ” on page
85 to confirm that expan-
sion module is in down-
loader
AquaManager Troubleshooting
Refer to AquaManager online Help for all AquaManager operation and troubleshooting
information.
Troubleshooting