OPERATING MANUAL MMR-630 Revision 1.6
29
Notes:
- As a result of interferences in the network it is possible that the process of charging of accumulators
will finish too fast. In the case too short a time of charging is detected it is necessary to remove the
plug of the charger and start charging anew.
Additional information displayed by the meter
Message
Cause
Proceeding
Bad contact on the accumu-
lator package terminal!
Excessive voltage at
the accumulator pack-
age during charging.
Check the contacts of the ac-
cumulator package. Should
the problem persist, replace
the package.
Charging time exceeded!
Accumulators have not
been charged within
the maximum time.
The accumulator package is
damaged; replace.
The charger is damaged
–
send the meter for repair.
No accumulator!
No
communication
with the accumulator
controller.
Check the contacts of the ac-
cumulator package. Should
the problem persist, replace
the package.
Too low temperature of ac-
cumulator package!
The ambient tempera-
ture is lower than 10
C
It is not possible to charge the
accumulators
correctly
in
such a temperature. Place the
meter in a warm place and
commence
the
charging
mode anew.
The present message may be
displayed also in the case of
deep discharging of the ac-
cumulators. It is then recom-
mended to try to turn the
charger repeatedly.
Initial charge failed!
A damaged or deeply
discharged accumula-
tor package
Start the charging mode
anew. Should the problem
persist, replace the package.
5.4 General principles regarding using Ni-MH accumulators
- If you do not use the device for a prolonged period of time, then it is recommended to remove the
accumulators and store them separately.
- Store the accumulators in a dry, cool and well ventilated place and protect them from direct sunlight.
The temperature of the environment in the case of prolonged storage should not ex
ceed 30°C. If the
accumulators are stored for a long time in a high temperature, then the occurring chemical processes
may reduce their lifetime.
- Accumulators NiMH resist normally 500-1000 charging cycles. The accumulators reach their maxi-
mum capacity after being formatted (2-3 charge and discharge cycles). The most important factor
which influences the lifetime of an accumulator is the depth of discharge. The deeper the discharge of
the accumulator, the shorter its lifetime.
Summary of Contents for MMR-630
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