WRO 300 H
HCEN12481-02/2012
Troubleshooting
63
5.1.4
Heat and Low Flow Heat
No.
Display text
Alarm
type
Definition
301
301 INSUFFI-
CIENT HEAT
WRO 300 H
WRO 300 H stops, information signal is
issued,
flashes, message text is
displayed.
Alarm sys-
tem delay
None
Reason
Power failure.
Action
1
Press
to silence buzzer
2
Press
until WRO 300 H either goes
to Standby or an Active Cooldown.
302
302 INSUFFI-
CIENT WATER
SUPPLY
WRO 300 H
WRO 300 H stops, low priority alarm is
issued,
flashes, message text is
displayed.
Alarm sys-
tem delay
None
Reason
Lack of feed water.
Action
1
Press
to silence buzzer
2
Check the feed water supply
3
Check for leakage
4
Restart by pressing
5
Notify technical personnel if problem
persists.