6. STATUS AND DIAGNOSTIC INFORMATION
6-3
All Rights Reserved. Copyright © 2006, Rota Yokogawa
IM 01R01B02-01E-E 5th edition October 01, 2020 -00
6.2 Diagnostics
The table below indicates the Bit setting in case of Event:
Table 6.5 Event description and the effect on Display and Bit setting
Bits of parameter
DEVICE_STATUS DIAGNOSIS_
EXTENSION
Event description Blinking bars Event on
display
= 1 = 2 = 3 [1]** [2]** [3]**
Serial Communication Failure* n.a. n.a. 0
RAM Error* _ _ _ _ _ _ _ _ 0000 0001 0 1
ADC Error* _ _ _ _ _ _ _ _ 0000 0010 1 2
Adj-EEPROM Error _ _ _ _ _ _ _ _ 0000 0100 2 3
Cal-EEPROM Error* _ _ _ _ _ _ _ _ 0000 1000 3 4
Totalizer Value False _ _ _ _ _ _ _ _ 0001 0000 4 5
Flow Overrun _ _ _ _ _ _ _ _ 0010 0000 5 6
EEPROM Error _ _ _ _ _ _ _ _ 0100 0000 6 7
Float Blocking Error _ _ _ _ _ _ _ _ 1000 0000 7 0
Temperature Error _ _ _ _ _ _ _ _ 0000 0001 0 1
Volume Flow Overrun _ _ _ _ _ _ _ _ 0000 0010 1 2
Mass Flow Overrun _ _ _ _ _ _ _ _ 0000 0100 2 3
Autozero Running n.a. 0000 1000 3 4
Power Supply Failure n.a. 0001 0000 4 5
Operate Timer Error n.a. 0010 0000 5 6
Reserved 15 - 0100 0000 6 7
Float Blocking Active n.a. 1000 0000 7 0
Volume Flow Passivated n.a. n.a. 0 1
Mass Flow Passivated n.a. n.a. 1 2
Volume Flow Low Limit n.a. n.a. 2 3
Volume Flow High Limit n.a. n.a. 3 4
Mass Flow Low Limit n.a. n.a. 4 5
Mass Flow High Limit n.a. n.a. 5 6
Reserved 23 - - 6 7
Reserved 24 - - 7 - - -
* Note: In case of missing EEPROM, Display indicates "Cal-EEPROM Error" and BUS generates
"Serial Communication Failure".
** Note: [n] indicates the n-th byte of the Parameter
Table 6.6 Classic diagnostics
Label Octet Bit
Memory checksum error 1 4
Electronic temperature too high 1 3
Hardware failure mechanics 1 1
Hardware failure of the electronic 1 0
Maintenance required 2 5
New start-up (warm startup) carried out 2 3
Restart (cold startup) carried out 2 4
Ident Number Violation 2 7
More information available 4 7
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