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6.3.1.3. Checking the RAS information
When the red LED lights up, check the error contents according to the RAS information.
Key operation
Press the
▼
Press the
ENT
1st ROW displayed in hexadecimal. 2nd ROW displayed in binary.
Configuration of the RAS information
□ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □
RAS information
E1, E2
E3: Maintenance
E3: SNR reduction
E4: Temperature error
E4: Range over
E4: AI Alarm
Correspondence between DO output and Alarm
"ALL": An alarm is output if E1: Device error 1, E1: Device error 2, E1: Device error 3, E1: Device error 4, or E2 occurs. "BURNOUT
TIMER ENABLE"
"DEVICE ERROR": An alarm is output if E1: Device error 1, E1: Device error 2, E1: Device error 3, or E1: Device error 4 occurs.
"BURNOUT TIMER DISABLE"
"Process error"
: Alarm is issued at occurrence of E2. [Burnout timer is enabled]
Burnout timer is to set a time between error occurrence and contact output.
Description
key for 4 times to display "MAINTENANCE MODE".
key once to display "RAS".
ENT
Status
See "6.3.1.2 Checking the LED lit in red".
Elapse of maintenance period
Reduced
sensitivity
of
waves
The fluid temperature is outside the
measuring range.
Analog
output
and
total
exceed the range.
The analog input exceeds the range.
If the display is abnormal, 1 is set.
Move the cursor to 1 by the
display the status contents. Pressing the
the troubleshooting.
E1: Device error 1
E1: Device error 2
E1: Device error 3
E1: Device error 4
E2: Data collection error
E2: Window scanning
E2: No received signal
E2: Received signal error
E2: Received signal range
over
E2: Calculation failure
E3: SNR ALARM
E3: MAINTENANCE
Backup
E4: Temperature error
E4: Range over
E4: AI Alarm
Troubleshooting
Periodic inspection
Maintenance resetting
ultrasonic
Check noise absorption
Check for splashes and foreign objects
Check pipe data
Check detector mounting and cable connection
Detector mounting position relocation, detector
remounting
Check that the fluid temperature is not exceeding the
measurement range (-45 to 205°C).
output
Check the range data and the totalize setting.
Check the analog input and the connection.
－114－
表示
MAINTENANCE MODE
RAS 0000H
0000000000000000
key, and press the
key again displays
ENT
Comparison
with LED
●
●
●
●
●
lit in red when "1"
●
is set.
●
●
●
●
- Not connected with LED
- Not connected with LED
●
Lit in green
●
Lit in green
●
Lit in green
key to
ENT
of
error
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