User Manual
E126-P-EL
Page 60
FW_E126-P-EL_M_v0301-01_EN
APPENDIX B - TROUBLESHOOTING
Table 1 lists and describes how to troubleshoot problems that can occur when installing or
operating the unit.
Table 2 lists internal alarm codes and conditions signaled by a blinking ALARM icon on the
display. The alarm code can be displayed by pushing the SELECT-key repeatedly until the
internal alarm screen is shown.
ALARM
If an error or alarm code persists, contact your supplier.
Table 1: Install and configuration errors
Observation
Possible cause
Check
Flowmeter does not
generate pulses
Signal selection in SETUP
menu
SETUP
Pulse amplitude
Section 6.4.10: Terminals S1-S3: Flowmeter
input [»47]
Flowmeter, wiring and
connection of terminal
connectors
Section 6.4: Electrical installation [»42]
Power supply of flowmeter
Section 6.4.4: Voltage selection sensor
supply [»44]
Flowmeter
generates too many
pulses
Settings for Total and Flowrate
SETUP
Type of signal selected with
actual signal generated
SETUP
Sensitivity of coil input
SETUP
Grounding
Reconnect ground cables and avoid ground
loops. Connect screen to the ground input
terminal of the flowmeter input
Wiring type
Use screened wire for flowmeter signals
Analog output does
not function
properly
Function mode
SETUP
Settings for min and max
flowrate
7.2: ANALOG OUTPUT > RATE MIN (4MA)
7.3: ANALOG OUTPUT > RATE MAX (20MA)
Tuning of min and max output
current
7.5: ANALOG OUTPUT > TUNE MIN (4MA)
7.6: ANALOG OUTPUT > TUNE MAX (20MA)
Connection of external power
supply
Section 6.4: Electrical installation [»42]
Pulse output does
not function
Function mode
SETUP
Pulse per quantity
8.3: PULSE OUTPUT > AMOUNT
Pulse width compatibility with
external device
8.2: PULSE OUTPUT > WIDTH
Flowrate displays
"0 / zero" while
there is flow (total is
counting)
K-factor and time unit
2.2: FLOWRATE > TIME
2.4: FLOWRATE > K-FACTOR
Flowrate calculation setting vs.
flowrate cut-off.
Menu_Flowrate_Calculation_ms
Menu_Flowrate_Cut-off_ms
Example: If
cut-off
is set to 10.0 seconds the
unit has at least 10 seconds to measure the
number of pulses according to
calculation.
Password is
unknown/wrong
Call your supplier