6(1625$/$50+:
6(1625$/$50+0
6(1625$/$50(3
7%/$50
11NIBE VVM 300
User guide
Dealing with malfunctions
SENSOR ALARM HM
This information is shown when a fault on the flow tem-
perature sensor has been registered. The alarm may be
due to faulty sensors or a broken sensor cable. The infor-
mation disappears when the fault is remedied and VVM
300 has been restarted.
SENSOR ALARM HW
This information is shown when a fault on the hot water
temperature sensor has been registered. The alarm may be
due to faulty sensors or a broken sensor cable. The infor-
mation disappears when the fault is remedied and VVM
300 has been restarted.
SENSOR ALARM EP
This information is shown when a fault on the immersion
heater temperature sensor has been registered. The alarm
may be due to faulty sensors or a broken sensor cable. The
information disappears when the fault is remedied and
VVM 300 has been restarted.
TB-LARM
Shown when any temperature limiter has tripped. The
cause of the fault may be that VVM 300 has been started
without the boiler section being filled with water. The
temperature limiter may have tripped during transporta-
tion of VVM 300, . To reset, see ”Electrical connection –
Resetting the temperature limiter”. The information disap-
pears when the fault is remedied and VVM 300 has been
restarted.
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