Instructions for Use – BW 685 / BW 685 S BIEGLER
Do not disinfect the device with steam (i.e. in autoclaves), hot air or
thermochemical cleaning solutions.
6 PERIODIC INSPECTIONS
The periodic technical safety inspections (according to the local standards in
force – e.g.. in Austria ÖVE/ÖNORM E 8751-1) must be carried out on the
BW 685 / BW 685 S at least every 12 months by persons able to carry out
such technical safety inspections based on their training, knowledge and
experience gained by practical activities.
The results of the periodic inspection are to be documented, together with the
date and the inspecting agency.
Important:
Should a malfunction be evident, suitable warning signs should be
attached to the device to ensure that it cannot be used before necessary
service and repair work has been carried out.
CHECKING THE WARM-UP PERIOD
This is the time taken by the BW 685 / BW 685 S to heat up to 38.5°C from
room temperature. The device is malfunctioning if it takes much longer than
one minute.
CHECKING THE CONTROL TEMPERATURE
The control temperature is checked on the groove bed of the heat exchanger.
The sensor of a suitable contact thermometer (tol/- 0.15°C) is fixed
to this position, e.g. by using a piece of infusion tubing. The examination is
performed at a temperature setting of 38.5°C.
The measured value is read after it has stabilised. The difference must not
/- 0.5°C. There is a malfunction if a difference from the control
temperature of greater than +/- 0.5°C is obtained.
CHECKING THE LOW TEMPERATURE ALARM
Preheat the device to 38.5°C, then disconnect the mains plug. Hold down the
control
and reconnect the mains power plug. After the beep has ceased,
release the control
. Press the switch . The device is now in an
operational state where all the alarms are active, but the heating is switched
off. The BW 685 / BW 685 S now slowly cools down. When the temperature
drops below the 36.5°C threshold, the low temperature alarm should trigger.
14
DE - Edition 02 / 2007