WRO 300 H
HCEN12481-02/2012
Troubleshooting
59
104
104 INVALID
WATER LEVEL
WRO 300 H
WRO 300 H stops, low priority alarm is
issued,
flashes, message text is
displayed.
Alarm sys-
tem delay
45 seconds
Reason
Failure of level switch in tank.
Action
1
Press
to silence buzzer
2
Check that no water has flooded from
Tank air vent
3
The WRO 300 H can be restarted by
pressing .
4
Otherwise notify technical personnel.
a.
The number (N) shown before the alarm text identifies which specific kind of alarm that
has occurred. Reference list for those number refer to Service Manual.
No.
Display text
Alarm
type
Definition