9 Troubleshooting PROline Promag 53
102 Endress+Hauser
S
!
A / C COMPATIB.
# 121
Due to different software ver-
sions, I/O board and amplifier
board are only partially compati-
ble (possibly restricted function-
ality).
Replace module with lower soft-
ware version.
Spare parts
→ Page 111
Nr. # 2xx
→ Error in DAT / no communication
S
$
LOAD T-DAT
# 205
Data backup (downloading) to
T-DAT failed, or error when
accessing (uploading) the cali-
bration values stored in the
T-DAT™.
1. Check whether the T-DAT™ is
correctly plugged into the
amplifier board
→ Page 113,
115
2. Replace the T-DAT™ if it is
defective. Spare parts
→
Page 111
Before replacing the DAT,
check that the new, replace-
ment DAT is compatible with
the measuring electronics.
Check the:
– Spare part set number
– Hardware revision code
3. Replace measuring electro-
nics boards if necessary.
Spare parts
→ Page 111
S
$
SAVE T-DAT
# 206
S
$
COMMUNICATION I/O
# 261
No data reception between
amplifier and I/O board or faulty
internal data transfer.
Check the BUS contacts
Nr. # 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
3. Switch off the power supply
and check the connectors of
the coil cable
→ Page 113,
115
4. Replace measuring electro-
nics boards if necessary.
Spare parts
→ Page 111
S
!
STACK CURRENT
OUTPUT 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 109), so that the tem-
porary buffer can be cleared.
– Clear the temporary buffer by
the measures described under
Item 1.
S
!
STACK FREQUENCY
OUTPUT n
# 343 - 346
Type Error message / No. Cause Remedy / spare part
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