SIGNAL LAMP
MESSAGE IN DISPLAY
EVENT AND CAUSE
ACTION
Off
- (no alarm message)
Signal lamp broken.
Power failure, fuses
Replace signal lamp.
Inspect cause of power failure. The pro-
cess will continue aft er the outage.
Off
Add chemical!
31.12.
The chemical tank is emptying/
empty.
If the process issues the alarm despite
suffi
cient chemical in the tank, the
treatment plant requires service.
The alarm will not interrupt the process.
Fill chemical tank and acknowledge alarm
normally.
Order service.
Off
No process 7d
31.12.
The treatment plant has not accumulated
suffi
cient wastewater to start the process
during one week.
If the alarm occurs during normal load
and the storage tank surface is high, the
treatment plant requires service. Ensure no
second alarm is in the background.
The alarm will reset itself during the next
process. You can also acknowledge the
alarm normally.
Order service if the water surface in the
storage tank reach overfl ow level.
Off
Compr. service
31.12.
The compressor service interval has
expired and the device requires periodic
maintenance. The alarm is issued once
compressor hours reach 15,000, 16,000
and 17,000.
The alarm will not interrupt the process.
Order service! The compressor membranes
and fi lter are replaced during periodic
service and operation hours are reset.
Reset requires a password.
NOTE! The alarm is acknowledged three
times, but the operating hours are not
reset.
Off Remove
sludge!
31.12.
Three months have passed since the last
sludge bag replacement or six months
since the last vacuum truck emptying.
The sludge bag reminder is not on by
default. You can activate the reminder
by using the instructions in section 4.3.
The replacement interval is a guideline!
When sludge removal with vacuum truck
is selected in the operation settings, the
reminder is given automatically every six
months.
The alarm will not interrupt the process.
Change the sludge bag./
Remove the surplus sludge using a vacuum
truck.
The alarm acknowledgement resets the
change interval counter (see section 4.3
for details).
Flashing
Overfl ow
31.12.
Temporary overload in treatment plant,
water level at over-fl ow level.
Alarm will reset itself once load evens.
If overfl ow is due to equipment
malfunction, order service.
Flashing Transfer
fault
31.12.
Transfer of wastewater from storage tank
to process tank failed. The alarm will stop
the process and set treatment plant on
standby to await fault repair and alarm
acknowledgement.
Clean the storage tank transfer pump
according to section 7.1 or order service.
If the transfer pump is pumping water
from the storage tank to the process
tank and the process tank is full, there is
a malfunction in the process tank level
switch.
Flashing Emptying
fault
31.12.
Removal of treated water failed. The alarm
will stop the process and set treatment
plant on standby to await fault repair and
alarm acknowledgement.
Ensure the discharge pipe/location is
not frozen or blocked. Remove blockage
and acknowledge alarm. If the pump is
clogged, clean emptying pump according
to section 7.2 or order service.
If the treated water has been pumped
out from the process tank (the emptying
pump occurs during the fault) there is
a malfunction in the process tank level
switch.
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