BWT PERMAQ Compact CRU, Installation And Operating Manual

Page: 8 / 20

8
7. SURVEY OF ALARM CONDITIONS SETTINGS
LED function: In normal operation the LED’s are lit corresponding to the components they rep-
resent. Fault conditions are described in Chapter 8. Trouble shooting
“Re-start ALARM” on TP-pump:
(Nothing is working –
permanent condition)
See: Fault 4
ALARM - Too high water level:
(Nothing is working –
permanent condition)
Option
Too low water level:
(no ALARM, TP-pump stopped)
See: Fault 1
External stop - TP-pump,
can be jumped at start-up
Remove the
cause for external
stop signal
CRU unit is running, everything OK
CRU unit is on Standby
POWER
TR
ANSPO
R
T
PUMP
(T
P
-p
ump)
LEVEL
ALAR
M
Desc
ri
p
ti
on
of
al
a
rm
-
and faul
t
co
ndi
ti
on
s
Troubl
e
-
sho
oting
/
co
m
m
ents
LED’s are lit LED’s flashes slowly (½ Hz) LED’s flashes rapidly (5 Hz)
The unit emits beep tone at Alarm condition (Nothing is working), which can only be neutral-
ized by rectifying the fault, then switching the plant OFF for 5 seconds and switching ON
again.