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5. Trouble Shooting / Remedial actions
Failure / warning displays
Problem
• Battery missing, not
activated or dead.
Mains 230V power
available
• No Mains 230V power
available, Batery pwer
available
with optical probe
• Probe cable is
connected improperly
or damaged
Potential free
contact Relay
tripped (on)
tripped (on)
tripped (on)
LED
„Power“
blinks
off
blinks
alterna-
tingly
LED
„Alarm“
off
blinks
every 2
seconds
blinks
alterna-
tingly
LED
„Level“
off
off
off
remote
Alarm
on
on
on
Remedial actions
• Disconnect control unit from Mains
power, check batteries and replace
if necessary.
• Re-connect control unit to 230 V
Mains power, check fusing
• Disconnect control unit from
Mains power. Check all control
unit connections and check
probe cable for damage.
audible
Alarm
on
on
on, audible
alarm can
be turned
off