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Troubleshooting
Problem
Brand new monitor's dis-
play is very dim.
Monitor displays "Invalid
Reading".
Monitor will not register.
Monitor has intermittent
RF communication
Monitor is not reporting
scheduled readings.
Monitor will not take read-
ing when Display button
is pressed.
312964C
Cause
Unit is shipped with protective coat-
ing over display.
The TLM reading is outside of the
programmed size parameters.
Transceiver is not powered-up.
Attempt to program while red lights
on transceiver are lit.
Transceiver NET ID and TRANS ID
not set correctly
TLM dipswitches settings do not
match transceiver settings.
Weak or dead batteries.
Microprocessor not completely shut
down before installing new batteries.
USB cable or RS-422 not connected Be sure cable are properly connected between Transceiver
Out of RF range.
RF obstruction.
Weak or dead batteries.
Out of RF range.
RF obstruction.
Two TLMs are programmed to the
same address.
Weak or dead batteries.
Microprocessor not completely shut
down before installing new batteries.
Tank Level Monitor was not associ-
ated with profile after scheduled
times were entered into software.
Reading is scheduled when pump is
operating.
Clock was changed on PC but the
tank level monitor was not resychro-
nized.
Weak or dead batteries.
Batteries are not correctly seated.
Microprocessor not completely shut
down before installing new batteries.
Monitor display is cracked.
PC is not running
Solution
Remove protective coating.
Verify the programmed parameters and re-program the TLM if
necessary.
Verify transceiver is powered-up
Wait until red lights on transceiver go blank before attempting
to register.
Ensure NET ID and TRANS ID are set for appropriate commu-
nication cable.
Verify settings with Transceiver (see page. 5 for dipswitch set-
ting instructions).
Replace batteries. See Replacing Batteries, page 13.
After you have removed old batteries, wait 30 seconds to
ensure the microprocessor has completely shut down, before
installing new batteries.
and PC
Reposition Transceiver until TLM has good RF communication
or add a transceiver.
Replace batteries. See Replacing Batteries, page 13.
Reposition Transceiver until TLM has good RF communication.
Verify that each TLM is correctly programmed to a unique
address.
Replace batteries. See Setting the S1 and S2 Dipswitches,
page 3.
After you have removed old batteries, wait 30 seconds to
ensure the microprocessor has completely shut down, before
installing new batteries.
Reregister Tank Level Monitor and associate Tank Level Moni-
tor with profile ID.
Ensure readings are scheduled at times that the pump is not
operating.
The monitor's internal clock is synchronized with the PC clock
upon register or reading. Manipulating the scheduled reporting
time by changing the PC clock will cause a false indication that
the monitor is not reporting at the scheduled reporting times.
Replace batteries. See Replacing Batteries, page 13.
Ensure the batteries fully engage the mounting clips by push-
ing on the bottom of each battery with your thumbs.
After you have removed old batteries, wait 30 seconds to
ensure the microprocessor has completely shut down, before
installing new batteries.
Replace monitor display.
Turn on PC. In order for TLM readings to be logged, PC must
be running.
Troubleshooting
11
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