Temperature display is lit, but
food temperature is not
(adequately) maintained
The unit has external damage
The empty unit increases in
B.PROTHERM 420 KBUH/420 KBRUH/620 KBUH/620 KBRUH
B.PROTHERM 420 KBRUH/620 KBRUH
Cause
Food inserted too cold.
Unit door not closed proper-
ly/Food not covered.
The setpoint temperature is set
too low.
Unit electrical system faulty.
Cause
Damage during transport,
change of location or other ex-
ternal influences.
weight
Cause
Water intake due to external
damage.
Measure
Place only hot food in the unit.
Cover Gastronorm containers with
Gastronorm container lids.
Close the unit properly with the unit
door.
Raise setpoint temperature.
Section "Setting the setpoint
Notify B.PRO service.
Chapter "Repairs" on page 30.
Measure
Shut down unit.
Section "Shutting down" on
Secure the unit from being started up
accidentally.
Notify a centre authorised to carry out
repairs.
Chapter "Repairs" on page 30.
Measure
Shut down unit.
Section "Shutting down" on
Secure the unit from being started up
accidentally.
Notify a centre authorised to carry out
repairs.
Chapter "Repairs" on page 30.
– 23 –
temperature" on page 14.
page 21.
page 21.