Lauda Mobifreeze M270, Operation Manual, Page: 63 / 94

9 Faults
9.1 Alarms, warnings and errors
Additional
display
Error text/fault text Message
with
acoustic
alarm
Acknowl-
edge
acoustic
alarm
Description/meaning/com-
ments
Corrective action
ErrL Short circuit on sensor
F1
Yes Yes Ohmic measured value of
sensor 1 too low
Have sensor replaced by
LAUDA Service.
ErrH Cable break on sensor
F1
Yes Yes Ohmic measured value of
sensor 1 too high
Have sensor replaced by
LAUDA Service.
ErrL Short circuit on sensor
F2
Yes Yes Ohmic measured value of
sensor 2 too low
Have sensor replaced by
LAUDA Service.
ErrH Cable break on sensor
F2
Yes Yes Ohmic measured value of
sensor 2 too high
Have sensor replaced by
LAUDA Service.
Battery unsuitable
(data logger battery)
Yes Yes Battery is unsuitable/battery
values do not comply with
the preset default values
Contact LAUDA Service
and install the battery rec-
ommended by the manufac-
turer.
Battery faulty or
missing (data logger
battery)
Yes Yes Battery defective or missing/
battery missing according to
q44
Contact LAUDA Service
and install the battery rec-
ommended by the manufac-
turer.
Battery opera-
tion/power failure
(main battery)
Yes Yes No mains power and no
power supply from the main
battery.
Check whether the mains
switch is on and the mains
cable is plugged in.
In battery mode: Check
whether the battery switch
is on. If the main battery is
discharged: Plug in the mains
plug and turn on the mains
switch to charge the main
battery.
Battery voltage low
(data logger battery)
Yes Yes Battery voltage low/output
in battery mode
Check the battery and, if
necessary, have the recom-
mended battery replaced by
LAUDA Service.
Door contact Yes Yes Door contact error/door
open or closed depending on
parameterization b60-b63
Close door/cover.
V1 Mobifreeze 63 / 93