FMON10JEN 07.04.2017 Rev. 10J
57 (57)
15 Troubleshooting
WARNING
Before disassembling or removing the monitor, the monitor must be disconnect-
ed from its power source and all lubrication point oil connections to the monitor
must be closed.
WARNING
Before and after disassembling or removing the monitor make sure that the
monitor is not hot and/or environment is clean.
Table 20 Troubleshooting
Operation disturbance Cause of operation disturbance Solution
Monitor does not have any lights
on when operating voltage is con-
nected.
1. No power input voltage.
2. Group electronics have been
damaged.
Check voltage and connectors X9
and X10
Replace group electronics board.
Three horizontal lines (hyphens)
on display (- - -) instead of flow
rate
Control unit cannot connect to flow
sensor.
1. Sensor is not properly installed.
2. Sensor has been damaged.
Check sensor installation.
Check the flat cable between the
mother board and the group elec-
tronics
Replace sensor.
When power is switched on all
LED´s in control unit are blinking
and all display segments stay on
(more than 10 seconds).
Group electronics board is dam-
aged.
Replace group electronics board.
After start up only flow meter
LED´s- are lit. Display is blank.
Group electronics board is dam-
aged.
Replace group electronics board.
Some of the flow meters have yel-
low and red LED-signals on at the
same time.
Control unit cannot connect to flow
sensor.
Turn power off and on at the moni-
tor.
Replace sensor
The alarm relay is in alarm mode,
although none of the sensors are
in alarm mode.
The alarm settings of some of the
non-existing flow meters have
been set >0.
(For example in FL15-06 the flow
meters 7 – 10 are non-existing.)
Enter the setting mode and set the
nominal flow, low and high alarm
limit values of the non-existing flow
meters to “0”.
Code E02 is displayed, when tem-
perature is selected on the display.
Temperature measurement failed.
Check the flat cable between the
mother board and the group elec-
tronics
Replace the mother board.
Code E01 is displayed.
The flow meters have not been
configured.
Set all flow meter-specific and
monitor-specific parameters.
Group electronics board may be
defective.
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