Problem
Possible Cause
Action
Display-Main Bd
Comm. Error
Display and main board not
communicating
Check status of LP1 on the
Main Board and LP6 on the
display board. Are green
LEDs blinking once per
second?
If LEDs are not blinking,
cycle power to reset me-
ter. Call Spirax Sarco Tech
Support.
Meter does not read up to full
scale
Calibration table may be
corrupted
•Check the calibration table
for a corrupted location.
•Enter the password 9111.
•Start on p. 42 of the
MTI10/MTL10 manual and
follow the steps to get to
Flow Parameters 2 menu
screen.
•Select CAL (F1)
•Select NXT (F1) to cycle
through calibration table
to verify entries match
calibration certificate.
•Check for CRC error code
Velocity measurement seems
low
1.Probe not oriented properly
2.Sensor dirty
1.Orient probe per
installation sections:
Insertion (p. 9), Inline
(p. 13).
2.Clean sensor (p. 96)
Troubleshooting
Caution!
The electronics, sensor and sensor interconnect wires supplied
by Spirax Sarco are calibrated as a single precision mass flowmeter.
Interchanging sensors or sensor wiring will impair the accuracy of the
flowmeter. If you experience any problem with your MTI10/MTL10, call
Spirax Sarco Technical Support at 800-356-9362.
97
Troubleshooting: General
Precautions
Troubleshooting