9 Trouble-shooting PROline Promag 50
90 Endress+Hauser
No. # 3xx → System limits exceeded
S
$
TOL. COIL CURR.
# 321
Sensor:
Coil current is out of tolerance.
1. Remote version:
Switch off the power supply
before connecting or discon-
necting the cable of the coil
(terminals 41/42).
2. Remote version:
Switch off power supply and
check wiring of terminals 41/
42 → Page 47 ff.
3. Switch off the power supply
and check the connectors of
the coil cable → Page 98,
100
4. Replace measuring electro-
nics boards if necessary.
Spare parts → Page 96
S
!
STACK CUR OUT n
# 339…342
The temporarily buffered flow
portions (measuring mode for
pulsating flow) could not be
cleared or output within 60
seconds.
1. Change the upper or lower
limit setting, as applicable.
2. Increase or reduce flow, as
applicable.
Recommendations in the event of
fault category = FAULT MESSAGE
($):
– Configure the fault response of
the output to “ACTUAL VALUE”
(see Page 94), so that the tem-
porary buffer can be cleared.
– Clear the temporary buffer by
the measures described under
Item 1.
S
!
STACK FREQ. OUT n
# 343…346
S
!
STACK PULSE OUT n
# 347…350
The temporarily buffered flow
portions (measuring mode for
pulsating flow) could not be
cleared or output within 60
seconds.
1. Increase the setting for pulse
weighting
2. Increase the max. pulse
frequency, if the totalizer can
handle a higher number of
pulses.
3. Reduce flow
Recommendations in the event of
fault category = FAULT MESSAGE
($):
– Configure the fault response of
the output to “ACTUAL VALUE”
(see Page 94), so that the tem-
porary buffer can be cleared.
– Clear the temporary buffer by
the measures described under
Item 1.
S
!
CURRENT RANGE n
# 351…354
Current output:
Flow is out of range.
1. Change the upper or lower
limit setting, as applicable.
2. Increase or reduce flow, as
applicable.
S
!
FREQ. RANGE n
# 355…358
Frequency output:
Flow is out of range.
1. Change the upper or lower
limit setting, as applicable.
2. Increase or reduce flow, as
applicable.
Type Error message / No. Cause Remedy / spare part