JUMO LOGOSCREEN Operating Manual page 68

3 Operation and visualization
Error
H
68
The following errors may occur:
Error
none
Data lost
Battery ↓
Data may be lost after disconnecting the instrument from the
supply: after more than > 4 years on instruments with a lithium
battery, and
after approx. > 2 days (ambient temperature 15 — 25°C)
storage capacitor.
Description
Instrument OK
A discharge of the lithium battery/storage
capacitor occurred during the last lengthy power
interruption.
Consequently, the measurement data stored up to
now in the SRAM only will be lost. The data in the
internal backup memory will be retained. The
clock is set to 01.01.97, 00:00:00 hrs.
Remedy:
For instruments with storage capacitor: reset the
time (v page 74).
For instruments with lithium battery: return
instrument to the supplier for a change of battery.
The lithium battery is discharged.
Remedy:
Return instrument to the supplier for a change of
battery.
with