Level Plus
®
LevelLimit
®
Operation Manual
I
22
I
10. Repair
10.1 RMA policy
Important:
Contact Technical Support or Customer Service for assistance if
you suspect that the transmitter is not working correctly. Technical
support can assist you with troubleshooting, part replacement, and
Returned Material Authorization (RMA) information if required.
All Level Plus
®
transmitters come with a two year limited warranty
from the factory shipment date. A Return Materials Authorization
(RMA) number is required and must accompany any transmitter
returns. Any unit that was used in a process must be properly cleaned
in accordance with OSHA standards, before it is returned to the
factory. A Material Safety Data Sheet (MSDS) must also accompany
the transmitter that was used in any process.
10.2 Training
Repair should only be conducted by qualified service personnel
according to IEC 60079-14 and local regulations or MTS trained
service technicians. MTS offers web based and in person training
for installation, commissioning, maintenance, and repair. MTS also
offers factory direct services for these same functions. Contact MTS to
discuss training or factory direct services before starting.
10.3 Tools
10.3.1 Tools for Flexbile Hose
• 9/16
”
Socket and ratchet
• Channel Lock pliers
• 3/16
”
Hex Key (Allen wrench)
• 1
”
Open End wrench
10.3.2 Tools for Rigid Pipe
• Channel Lock pliers
• 9/64” Hex Key (Allen wrench)
• ¾” Open End wrench
10.4 Troubleshooting
Symptom
Possible cause
Action
No
communication
with transmitter
No power
Check voltage at
transmitter
Wiring incorrect
Reference installation
Wrong address
DDA factory default is
‘192 ’ Modbus factory
default is ‘247 ’
Wrong software
Confirm correct
software
Wrong protocol
Confirm software and
transmitter are same
protocol
Missing
magnet error
or Alarm output
Float not recognized
Confirm that the float
is attached
Float is in the dead
zone
Raise float to see if the
error stops
Wrong number of
floats selected
Confirm that the
number of floats on
the transmitter and
the number of floats
the transmitter is
attempting to verify are
the same.
Trigger level error
Gain needs to be
adjusted
Consult Factory
SE is damaged
Consult Factory
Min. trigger level too
high
Consult Factory
Volume
calculation error
No strap table entered
Enter strap table
Level outside range of
strap table
Enter additional points
in strap table
Strap table incorrect
Check value entries
VCF error
No VCF table entered
Enter VCF table
VCF table incorrect
Check VCF value
entries
Digital I/O
constant LO
Float misaligned
Check hi level float
and hi level stop collar
are mounted at pipe
marking
Possible Cause -
No Power
Check voltage at
transmitter
Digital I/O HI
during manual
test
Cable damaged
Check cable is attached
to float and moving
during manual test
Table 6: Troubleshooting reference