YSI MultiDO 5400, User Manual

Page: 111 / 137

YSI 5X00
221
YSI 5X00
220
Issue possible cause possible solution
probe assembly ground wire
or temp sensor wires (if not
in use) are causing interfer-
ence) cut back unused wires to
cable sheathing to avoid
shorting.
“over/under” sensor
readings bad sensor
bad membrane clean sensor, replace
membrane, calibrate sensor,
test sensor outside system
stream in solution of
known value,
replace sensor
no sensor value on
screen sensor not enabled See
Sensor Setup
- 150..
display setting configuration
set for multiple Run Screens See
Display Setting
- 123.
“check probe” message at
sensor calibration improper placement of probe
assembly, incorrect sensor
wire connection(s), improper
placement of 5X00, bad sen-
sor, and/or bad membrane See
Location Considerations
Probe Assembly -
34
See Wire sensors - 49.
See
Location Consider-
ations 5X00 - 27
.
clean sensor, calibrate,
test sensor outside system
stream in solution of
known value, replace mem-
brane and/or replace sensor
if necessary
Analog aux value is
overlapping to adjoining
sensor window 1X1 & 2X2 display format
setting cannot display values
over 7 digits in aux sensor
window Adjust aux display format
to lower resolution i.e. from
0.00 format to 0 format.
See also
Notes: Display
Screen Limitations
- 124..
Relay (Outputs) Troubleshooting
- Disable control, alarm, and timer relays when troubleshooting relay out-
puts.
- Verify 5X00 wiring and configuration.
Troubleshooting
Sensor Troubleshooting continued
Issue possible cause possible solution
relay does not energize incorrect sensor configura-
tion See
Sensor Set up
- 150.
relay not enabled
incorrect timer configuration See
Timers
- 180..
30 second delay at power up
and/or sensor configuration
change 30 seconds delay - see
248..
peripheral device is wired
incorrectly See
Wire Relays
- 54. The
device is incorrectly wired
to NO or NC terminal strip
ports..
relays are not enabled for
control/alarm/timer system Verify menu configuration
(relay enable) for control/
alarm/timer system.
See sensor system set up -
150.
See timer system enable
-180.
temp (high) does not de-
energize when set point
value is read sensor is configured for
timed control Verify setpoint and control
configuration values -
157.
Email Alarm Troubleshooting
Issue possible cause possible solution
no 5X00 email alarm
message received 5X00 display is not at Run
Screen - all alarming is sus-
pended when in menus exit to run screen to reset
alarm email alarm system
Serial to ethernet device did
not initialize properly. Check
the event log for “unable to
initialize error”. disconnect power to 5X00,
verify installation of serial
to ethernet device on lower
board and repower
faulty ethernet serial to eth-
ernet device replace serial to ethernet
device
Troubleshooting