Bibby Sterilin Stuart RE300DB, Instructions For Use Manual

Page: 8 / 12

Problem Cause Solution
Display does not work even No mains power Check mains power supply
if the power is switched on
Fuse has blown Replace the fuse, if fuse blows
again immediately stop
operation and consult a local
service representative.
Bath overheat protection Turn off the power switch and
has tripped either because allow the unit to cool. Press the
bath was heated without reset switch on the back of the
oil/water or external unit, see Fig 1 & 2. Turn the
temperature exceeds 35°C power back on. If overheat trips
again consult a local service
representative.
Temperature does not rise Temperature has not been set Change the set temperature
(Heat light does not illuminate)
Set temperature is below
current bath temperature
Temperature does not rise Heater is disconnected, Stop operation and consult a
(Heat light illuminates) or the terminal of the local service representative
heater is off
Temperature controller is
impaired
Upper temperature limit alarm Heater can not be turned off Stop operation and consult a
works. because of malfunction of over local service representative
Display shows "FF" heat protection and measured
value exceeds maximum
temperature.
Lower temperature limit alarm Ambient temperature is lower Adjust the ambient
works. than 0°C temperature to between
Display shows "--" 5°C and 35°C.
Measured temperature is
lower than 0°C
Display flashes "FF" Temperature sensor shorted Stop operation and consult a
local service representative
Display flashes "--" Temperature sensor id
disconnected or the terminal
of the sensor is off
During controlled heating the Temperature detection range Press and hold the up and down
heat lamp turns off for is too wide. keys simultaneously until the
prolonged periods of time display shows "dF". Press the up
and down keys to set the
detection range to 0.5. Press the
set key to return to normal
operation.
Fault finding
6