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Operating Instructions DWM 2000 D 

11 

 

 

2.5 

Error message list 

 
Listed below are the messages which can appear in menu 1.2.2. This function stores all the faults 
that have occurred since the first connection to power. 
 
 

Error 
messages 

Comment 

Actions

MAG. FREQ 

No magnetic field frequency out of range 
10 Hz 

 frequency 

 14.5 Hz 

Replace the electronics module 

AMPLI 
 

Dysfunction of the amplifier loop 
 

Replace the electronics module 

F.S. 
 

Programmed full scale out of range 
(>8 m/s or <1 m/s). 

Replace the electronics module 

ZERO KEY 

Dysfunction of ZERO key (short circuit) 

Replace the electronics module 

EP CHECK 

Data loss in EPROM (software) 

Replace the electronics module 

EEP CHECK 

Data loss in EEPROM (calibration and 
calculation data) 

Replace the electronics module 

U REF 

Amplifier voltage reference is damaged 

Replace the electronics module 

CURR. OUT 

Incorrect position of the internal current output 
switch 

Replace the electronics module 

FS SWIT EEP 

Modification of the full scale power on 

Program the full scale power off 

ZERO 

Velocity measurement during the zero 
adjustment is more than 0.2 m/s. 

Deactivate the alarm mode and 
adjust the zero again 

 

Summary of Contents for DWM 2000 D

Page 1: ...DWM 2000 D DWM 2000 Electromagnetic Flowmeter with LCD Indicator Operating instructions...

Page 2: ...mable parameters 4 2 1 1 Flow calibration 4 2 1 2 Current output adjustment 4 2 1 3 Time constant 4 2 2 Electronics module checks 5 2 3 Programming structure Software n 1 02 5 2 3 1 User interface but...

Page 3: ...Operating Instructions DWM 2000 D 3 1 Display data in operating mode...

Page 4: ...a Vm with Va actual velocity Vm measured velocity reference value 2 1 2 Current output adjustment The minimum value i0 and the maximum value i100 of the current output at normal operating conditions c...

Page 5: ...and the corrective actions to be undertaken Call up the error messages menu 1 2 2 and note the last one Refer to the error message list Replace the electronics module in case of fatal error deactivate...

Page 6: ...6 Operating Instructions DWM 2000 D 2 3 2 Menu navigation Go through the steps given in the illustrations that follow to get to the required menu...

Page 7: ...Operating Instructions DWM 2000 D 7...

Page 8: ...eset the instrument to zero Refer to the installation manual to use the Zero Cal button on the DWM 2000 electronics block correctly 1 2 0 DIAGNOSTIC Sub menu 1 2 0 Diagnostic 1 2 1 ALARM MODE Deactiva...

Page 9: ...orised in the EEPROM see section 2 4 Parameters Stored in the EEPROM Read only 2 4 4 FILTER Activation of an electronic filter for noisy applications foam solid contents Select YES or NO default setti...

Page 10: ...test level CUSTOM CORRECTION YES NO Indication of activation of low velocity linearization YES EP CHECKS Result of the data check in EPROM see menu 1 1 6 Value 22309 With soft V1 02 FS Display of the...

Page 11: ...or 1 m s Replace the electronics module ZERO KEY Dysfunction of ZERO key short circuit Replace the electronics module EP CHECK Data loss in EPROM software Replace the electronics module EEP CHECK Data...

Page 12: ...e 7 0 095 911 7165 Fax 7 0 095 742 8873 krohne dol ru India Krohne Marshall Ltd A 34 35 M I D C Industrial Area H Block Pimpri Poona 411018 Phone 91 0 202 744 2020 Fax 91 0 202 744 2020 pcu vsnl net I...

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