Ashcroft GC35 - Pressure Sensor Manuel d'utilisateur télécharger pdf (Page 17)

14. TROUBLESHOOTING

Error Possible cause Actions

Press any key to turn indication on or

No display Energy-saving mode disable power-saving mode in the setup.

(Function setting mode)

(Power-save setting)

Wiring Carry out wire connection correctly according to

Supply voltage the connection point.

Setting of comparator Set a comparator output type (NPN, PNP)

output type to match the setup of apparatus.

No output (Function setting mode)



(Comparator operation selection)

Comparator enabled Enable a comparator in the setup.

(Comparator setting mode)

(Comparator Use/No use)

Display/output do Pressure leak Check pressure connection and piping.

not indicate when Verify applied pressure by using a pressure gauge

pressure is applied Too low pressure applied with the suitable pressure range.

(remains at zero)

Zero point shift Perform zero point adjustment

(zero point adjustment mode)

Pressure indication mode Select a pressure indication

(Function setting mode)

 (Display setting)

Analog scaling mode Check analog output scaling setup 

Unit display/output (Function setting mode)

 (Analog Output Scaling)

conflicts with the Check the operational mode of the comparator, a

value of applied Set value of the preset value, and the preset value of delay time.

pressure comparator output (Function setting mode)

 (Select comparator mode)

(Comparator setting mode)

 (Comparator setting point)

(Comparator setting mode)

 (Comparator delay)

Overloaded comparator Use unit with a load current set to 80mAdc or lower.

Foreign material Clean / remove obstruction in piping

(blockage)



rror

Display Contents Actions

Out of pressure display range (Upper limit)

䡺

FFF A

pressure above 110% FS of pressure

range is applied, or when indicated value

xceeds 1999. Adjust the applied pressure

ut of pressure display range (Lower limit)

within the rated pressure.

䡺

FFF A pressure less than –10% FS of pressure

ange is applied, or when indicated value

falls below –1999.

䡺

E-0 During zero point adjustment, applied

Open the unit to the atmos-

pressure is outside the range of ±10% FS

phere and perform zero

point adjustment again.

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Ashcroft GC35 - Pressure Sensor Manuel d'utilisateur Page 17

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