Sierra InnovaMass 240i Series, Instruction Manual, Page: 53 / 115

53
1. MCU is malfunctioning.
Solution:

Contact Sierra for remote troubleshooting.

The meter may need to be returned to the factory .
2. MCU has failed.
Solution:

The meter may need to be returned to the factory .
Main Board Button Stuck
240i/241i meters have display buttons for navigation and data entry.
Possible Cause of Error Code
1. Main board button stuck down.
Solution:

Attempt to unstick buttons manually.

Contact Sierra for remote troubleshooting.

The meter may need to be returned to the factory .
Digicomms Fail
240i/241i meters can be ordered with Digital Communications (Hart, Profibus, Foundation
Fieldbus, etc.).
Possible Cause of Error Code
1. Digital Communications malfunction.
Solution:

Contact Sierra for remote troubleshooting.

The meter may need to be returned to the factory . If this is not immediately
possible, output via 4-20 mA, RS232, or USB is available.
Signal Noise
240i/241i meters are sensitive to background noise or vibration in the application environment
(60 Hz/50 Hz from power lines).
Possible Cause of Error Code
1. Meter Settings may need to be adjusted.
Solution: