Bailey Unicorn - Page 101

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HEATINGSYSTEMS
Troubleshooting instructions (Combi Gas Heater)
Error
Code
Cause Remedy
#17 Summer mode with empty water
container
Switchoffdeviceandallowtocool.Fillboiler
withwater
Warmairoutletblocked Checkeachoftheoutletopenings
Circulatedairintakeblocked Removetheblockagefromthecirculatedair
intake
#18 Gaspressureregulatorfrozen Usetheregulatorheating
Toomuchbutaneinthegascylinder Usepropane(butaneisunsuitableforheating
especiallyattemperaturesbelow10°C.)
#21 Room temperature sensor or cable
faulty
PleasecontactTrumaCustomerServices
#24 Potential under-voltage battery
voltagetoolow<10.4v
Chargetheleisurebattery
#29 HeatingelementforFrostControlhas
ashortcircuit:
Disconnect the heating element plug on
the electronic control unit. Replace heating
element.
#41 Electronicsareblocked: PleasecontactTrumaCustomerServices
#43 Over-voltage:16.4V Checkthebatteryvoltageandvoltagesources
e.g.charger
#44 Under-voltagebatteryvoltagetoolow Chargebattery.Replaceanyoldbatteries
#45 No230voperatingVoltage Reconnecttheoperatingvoltage230v
Faulty230vFuse Replace230vfuse
Overheatingprotectionhastriggered Reset theoverheatingprotection.  Allow the
heatingtocooldown,removetheconnection
coverandpresstheresetbutton
#112 Gas cylinder or quick-acting valve in
thegaslineisclosed
Checkthegassupplyandopenthevalves
#212 Combustion air intake or exhaust
outletisclosed
Checktheopeningsforsoiling(snow,leaves,
iceetc)andremove
#255 No panel connedtion between the
heaterandtheControlpanel
PleasecontactTrumaCustomerServices
Controlpanelcablefaulty PleasecontactTrumaCustomerServices