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7.2 Troubleshooting using the error messages

Display and select error messages by pressing the MINUS key.

Error

no.

Display Measures

Contakt Error current

Automatic start

of cleaning

Fact User Fact User Fact User

E001

EEPROM memory error

Switch instrument off and back on,

return instrument to your local

Endress+Hauser sales agency for repair

or replace instrument.

Load software compatible with hardware.

Load measuring parameter specific

instrument software.

yes no ——*

E002

Instrument not calibrated,

calibration data invalid,

no user data invalid

(EEPROM error.

Instrument software not

suitable for hardware

(controller).

yes no ——*

E003

Download error

Invalid configuration. Repeat download,

check optoscope.

yes no no

E004

Instrument software

version not compatible

with module hardware

version

Load software compatible with hardware.

Load measuring parameter specific

instrument software.

yes no no

E007

Transmitter malfunction

Software not compatible

with hardware (transmitter)

yes no ——*

E008

SCS alarm:

glass electrode: glass

breakage

IsFET: Leakage current

> 400nA

Check glass electrode for glass breakage

and hairline cracks; examine electrode

plug-in head for moisture and dry if

necessary; check medium temperature.

Replace IsFET.

yes no no

E010

Temperature sensor

defective, not connected

of short-circuited

Check temperature sensor and

connection; if necessary, check

instrument and measuring cable with

temperature simulation.

Check correct selection in field A5.

yes no no

E030

SCS reference electrode

error

Inspect reference code for soiling and

damage; clean reference electrode; check

medium temperature.

yes no no

E032

Slope range exceeded or

below range

Repeat calibration and renew buffer

solution; replace electrode if necessary,

and check instrument and measuring

cable with simulator.

yes no ——*

E033

pH value zero too low or

too high

yes no ——*

E034

Redox offset range

exceeded or below range

yes no ——*

E041

Calculation of calibration

parameters aborted

Repeat calibration and renew buffer

solution; replace electrode if necessary,

and check instrument and measuring

cable with simulator.

yes no ——*

E042

Distance of calibration

value for buffer pH2 from

zero (pH7) too short

Slope calibration requires a buffer solution

with a difference of at least ∆pH = 2 from

the electrode zero point.

yes no ——*

E043

Distance between

calibration values for pH1

and pH2 too short

Use buffer solutions that are at least ∆pH

= 2 apart.

yes no ——*

PM253E07.CHP

Liquisys M CPM 223 / 253 Maintenance and troubleshooting

Endress+Hauser 63

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