Burkert Type 8045 Manual de usuario descargar pdf (Pagina 66)

Maintenance and troubleshooting

9.5. If you encounter problems

9.5.1. Resolution of problems when the device status LED is OFF

Device

status

LED

Current

output

AO1

Output DO1

and/or DO2

and/or DO3

Message

displayed

Possible cause Recommended action

OFF 0 mA low level "PWRFAIL" The supply voltage is too

low.

The device does not

function.

→ Check that the supply

voltage is between 18 and

36 V DC.

→ If the problem occurs again,

take contact with the retailer.

OFF 0 mA not switched - The device is not

energized.

→ Check the wiring.

→ Check the fuse of the

installation and replace it if

necessary.

→ Check that the installation is

not shut-down.

→ Check that the power source

is working properly.

9.5.2. Resolution of problems without message generation but

device status LED ON

Device

status LED

Current

output

AO1

Output DO1

and/or DO2

and/or DO3

Problem Recommended action

any colour 4-20 mA depending on

the thresholds

or switched

Access to the Param-

eters and Test menus is

impossible.

→ Check the position of the "ENTER key

lock/unlock" switch. See chap. “7.3.3”.

any colour 0 mA depending on

the thresholds

or switched

The current output

transmits 0 mA.

→ Check the wiring of the current output.

→ Check the fuse of the installation and

replace it if necessary.

→ Check the position of the sink/source

switch. See chap. “7.3.4”.

→ If the problem occurs again, take contact

with the retailer.

The current output

transmits a value

between 0 and 4 mA.

→ Switch the device power supply off then

on.

→ If the problem occurs again, take contact

with the retailer.

English

Type 8045

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Burkert Type 8045 Manual de usuario Pagina 66

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