Yokogawa AXFA14G/C User Manual

Page 42

IM 01E20F12-01E

5-18

5. EXPLANATION OF BASIC ITEMS

Alarm Message / Countermeasure Message

On the Integral LCD indicator, following messages are displayed when alarm is generated.

Table 5.6.5 Alarm Message Display

10:uP Fault

Microprocessor error

11:EEPROM Fault

EEPROM error

12:A/D(H) Fault

Contact nearest office or service center

13:A/D(L) Fault

A/D converter error

14:A/D(Z) Fault

15:Coil Open

Cut the power and check coil & EX cables Flowtube coil open-circuit

16:EEPROM Dflt

EEPROM default values

100:Comm uP Fault

Contact nearest office or service center

FB Microprocessor error

101:Comm EEPROM Fault

FB EEPROM error

102:Total1 Not Saved

Total1 had not been stored when the device was turned off.

103:Total2 Not Saved

Total2 had not been stored when the device was turned off.

104:Total3 Not Saved

Total3 had not been stored when the device was turned off.

105:Comm Error1

Contact nearest office or service center

Communication error

106:Comm Error2

Communication error

30 Sig Overflow

Check signal cable and grounding

Input signal error

31:Empty Pipe

Fill flow tube with fluid

Flowtube is not filled with fluid

33:Adhesion Alm

Clean electrodes

Electrode adhesion alarm

110:AI Lo Lo Alm

Check the flow rate and setting value.

Process alarm in AI function block.

111:AI Hi Hi Alm

Process alarm in AI function block.

40:PB O/S Mode

RS.TARGET_MODE is O/S mode.

41:TB O/S Mode

TB.TARGET_MODE is O/S mode.

42:AI FB O/S Mode

AI.TARGET_MODE is O/S mode.

43:Total1 FB O/S Mode

Total1.TARGET_MODE is O/S mode.

44:Total2 FB O/S Mode

Total2.TARGET_MODE is O/S mode.

45:Total3 FB O/S Mode

Total3.TARGET_MODE is O/S mode.

46:DI1 FB O/S Mode

DI1.TARGET_MODE is O/S mode.

47:DI2 FB O/S Mode

DI2.TARGET_MODE is O/S mode.

50:Span > 10m/s

Check parameter 27 of AI and 34 of TB

Span flow velocity setting is 11 m/s or more

51:Span < 0.1m/s

Span flow velocity setting is 0.05 m/s or less

57:Dens Set Err

Check parameter 34, 76 and 77 of TB

Mass units have been selected for Base Flow Unit but density is

set to 0.

71:Meas Mod Set

Check parameter 70 of TB

Measure_Mode is set to Enhanced DF without selecting an optional

specification code /HF1 or /HF2.

72:Size Set Err

Check parameter 31 and 32 of TB

A value of 3000.1 mm or more is set for Nominal_Size.

73:Adh Set Err

Check parameter 115 to 118 of TB

The condition in Adhesion detection level,

Level:1

120:Total1 Unit Set Err

The mismatch of the unit set as TOTAL1 UNIT_TOT and

VOLUME_FLOW_UNITS.

121:Total2 Unit Set Err

Unify the unit between volume and mass.

The mismatch of the unit set as TOTAL2 UNIT_TOT and

VOLUME_FLOW_UNITS.

122:Total3 Unit Set Err

The mismatch of the unit set as TOTAL3 UNIT_TOT and

VOLUME_FLOW_UNITS.