Maintenance
User Manual Hemo Control
8.1.3 Internal optical unit
The internal optical unit should be cleaned at least monthly. The internal
optical unit should also be cleaned if the displayed value of the control
cuvette differs from the value on the label, if control solutions cannot be
measured correctly or if the following error message is displayed:
“Dirty optics”
A special cleaner is required for cleaning the optical unit (see Section
12.1, S.36). Proceed as described in the operating instructions attached
to the cleaner.
8.2 Integrated rechargeable battery
The device is provided with a rechargeable NiMH battery. The
Hemo Control can be operated for about 100 hours. This value strongly
depends on the utilization of the device and may vary depending on the
following circumstances:
a. Activation of the display backlight reduces the operation time.
b. Depending on the intensity of its use, the battery capacity may
noticeably reduce after 2 to 3 years due to ageing. If the battery
operation time is no longer sufficient, it needs to be replaced by a
service engineer.
! Note !
The device should remain connected to the mains until the
integrated rechargeable battery has been fully charged. The end
of the charging process is indicated by a full battery symbol
without charging arrow in the Operating mode or without a
charging symbol in the Stand By mode. Depending on the
battery's state of charge, recharging takes up to 5 hours.
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