Bailey Unicorn - Page 93

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HEATINGSYSTEMS
Fault Cause Remedy
No LED is shining, the
device is switched on and
is supplied with operating
current.
Automatic restart is
blocked, e.g. after a
powerfailure.
Reset (fault reset) by switching off,
waiting5secondsandthenswitching
onagain.
After switching (winter
and summer operation)
noneoftheLEDsarelit.
Nooperatingvoltage.
Device fuse or vehicle
fusedefective.
Check12vbatteryvoltage,chargeif
necessary.
Checkallelectricalplugconnections.
Check the unit or vehicle fuse and
replaceifnecessary(seefuses).
The green LED comes on
when the unit is switched
onbuttheheaterdoesnot
operate.
Thetemperaturesetting
on the control panel is
lower than the room
temperature.
Select higher room temperature at
thecontrolpanel.
After switching on the
heating system, the green
LED shines and
a.TheredLEDasheswith
5Hz.
Openwindowabove
cowl(windowswitch).
Under-voltage.Battery
voltageistoolow<10.0v.
No230voperating
voltage.
230vfusedefective.
Overheatingprotection
hasactivated.
Closewindow.
Chargebattery.Ifnecessaryreplace
oldbattery.
Re-establish230voperational
voltage.
Replace230vfuse.
Resetoverheatingprotection.Allow
heatertocool,removeconnection
coverandpressresetbutton.
b.TheredLEDasheswith
1Hz.
Threateningunder-
voltage.Batteryvoltage
istoolow<10.4v.
Chargebattery.
c. The red and the yellow
LEDs ash alternately
with1Hz.
Thereisathreatof
under-voltagewhen
heatingupthewater.
Batteryvoltageistoo
low<10.4v.
Chargebattery.
After the heater is
switched on, the green
LEDislitandtheredLED
blinks.
Electronicsare
defective.
Please contact the Truma Service
Centre.
Approximately30seconds
after the heater is
switched on, the red LED
islit.
Gascylinderorquick-
closurevalveinthegas
lineisclosed.
Combustion air in-feed
or exhaust outlet is
sealed.
Checkgassupplyandopenvalves.
Inspectopeningsforcontamination
(slush,ice,leaves,etc)andremove
contaminationifnecessary.