UK
14
9.2.10 Survey of alarm condition
LED function: In normal operation the LED’s are lit corresponding to the components they represent.
“Re-start ALARM” on TP-pump:
(Nothing is working - permanent
condition)
ALARM - Too high water level:
(Nothing is working - permanent
condition)
ALARM - Low water pressure
and Low water level: (Nothing is
working - permanent condition)
Restore raw water pres-
sure to >0.5 bar (Section
9.2.3), then check why
water level is low (Sec-
tion 9.2.5)
Too low water level (no ALARM):
(TP-pump stopped, HP-pump is
working)
“On-time ALARM” - on TP-pump:
(Nothing is working -
permanent condition)
ALARM - Too low raw water
pressure: (Nothing is working -
permanent condition)
Too low raw water pressure:
(HP-pump stopped - TP-pump is
working)
Automatic restart
(3 times) if raw water
pressure is <0.5 bar
External stop -TP-pump, can
be jumped at start-up:
(HP-pump is working)
Remove the cause for
external stop signal
External stop - HP-pump:
(TP-pump is working)
Remove the cause for
external stop signal
HIGH PRESSURE
PUMP (HP-pump)
Description
of alarm-
and fault
conditions
Trouble-
shooting/
comments
LED’s flashes slowly (½ Hz)
LED’s flashes rapidly (5 Hz)
The plant emits beep tone at Alarm condition (Nothing is working), which can only be neutralised by rectifying the
fault, then switching the plant OFF for 5 seconds and switching ON again.