MRU-200-GPS OPERATING MANUAL Version 1.06
49
Operating mode
Status of charging progress
Charging Progress.
Note:
- As a result of mains-borne interference it is possible that the charging of batteries will finish prema-
turely. In this case, remove the power adapter plug briefly, replace the adapter plug and re-charge.
Additional information displayed by the meter
Message
Cause
Proceeding
Battery connection error!
Excessive voltage
at the battery pack-
age during charg-
ing.
Check the contacts of the battery
package. Should the problem
persist, replace the package.
No battery!
No communication
with
the
battery
controller or battery
compartment,
or
batteries are miss-
ing.
Check the contacts of the battery
package. Should the problem
persist, replace the battery.
Battery temperature too
low!
The ambient tem-
perature is lower
than 10
C
It is not possible to charge the
batteries at low temperatures.
Place the meter in a warmer
place and re-charge.
The message may be displayed
in the case of deep discharge of
the batteries. Try turning the
charger off then on repeatedly.
Precharge error
A
damaged
or
deeply discharged
battery package
The message is displayed briefly,
then the precharge process be-
gins again. If after several at-
tempts:
Battery temperature
too high!
is displayed, replace
the battery package.
6.5 Discharging of batteries
To guarantee proper functioning of the batteries and charge-level indications, and prolong battery
life, it is recommended to periodically discharge them completely and then re-charge them. To first
discharge the batteries:
