Instruction Manual

5.Faultdiagnosis
Unitdoesnotoperate
Temperaturedoesnotrise
whenexpected
Temperaturecontinuesto
risewhennotexpected
Unitfailstocool
Unitnotswitchedon
Unitnotpluggedinto
powersupply
Fuseblowninunitor
inplug(UKunitsonly)
Electricalpowersupply
failure
Overtemperaturecut-out
hasoperated
Settemperatureislower
thanliquidtemperature
Liquidlevelcutouthas
operated.
Temperaturecontrol
circuitfault
Settemperatureishigher
thanliquidtemperature
Compressoroverheated
causingcompressorinternal
overtemperaturethermostat
tooperate
Temperaturecontrol
circuitfault
Switchon
Plugin,switchon
Checkandreplace
Checkthatotherelectrical
appliancesonsamecircuit
areworking.
Resetcut-outasdescribedin
Checksettemperature
Checkliquidlevel.
Haveunitcheckedby
competentperson
Checksettemperature
Waitforcompressortocool,when
thermostatwillresetand
compressorwillswitchonagain
Haveunitcheckedby
competentperson
thermostatOperatingInstructions
Symptom Possiblecause Actionrequired
Page15
Lowtemperaturebath/circulator
Operatinginstructions
Version4-Jan2010