Module involved
Cause
Message on the
display
How to clear the
alarm
Alarm LED status
PDP
(English:Pressure
Dew Point) sensor
PDP above or equal
to the minimum
value of the PDP
range
PDP is not
connected
Verify if the PDP
sensor is correctly
connected and if it
is not damaged.
Blinking
PDP lower than or
equal to the
minimum value of
the PDP range
PDP measure is
wrong
Verify if the PDP
sensor is correctly
connected and if it
is not damaged.
Blinking
PDP sensor supply
voltage < 20 V
PDP supply is in
fault
Verify if the sensor
supply voltage is
correct.
Blinking
PDP more than 10
°C (18 °F) above
the desired setpoint
PDP meas > the
setpoint
The alarm is
automatically
cleared when the
desired dew point is
reached.
Blinking
Service
Running hours >
programmed
service hours A, B
or C
Running hours >
service hours X (X
= A, B or C)
Perform the
requested
maintenance (A, B
or C). Next, enter
the Alarm menu,
select Service
Alarm, press the
ENTER button and
keep it pressed
during minimum 5 s.
Blinking
24 V supply
Supply voltage < 18
V
24 V supply is in
fault
Contact your
supplier
Blinking
Controller
Controller hardware
fault
Internal error
Reset all settings to
the default value.
Switch off the
controller and
switch it on again.
Call your supplier if
the fault persists.
Lit continuously
When an alarm is active, relay K01 is closed (relay X15, contacts 9 en 10) . When all the alarms
are cleared, K01 is open.
Acknowledgement of the alarms does not affect the status of K01 or the status of the red LED.
4.5
Editing parameters
During parameters editing (Chapter
Settings
), the display shows an
image similar to the following:
Instruction book
18
2920 7111 40
