Troubleshooting
Troubleshooting
50
Fault indicator Cause Remedy
Red LED marked ±0,5 °C flashes.
Intermittent tone is sounded.
Actual value of skin temperature
deviates by more than ± 0.5 °C from
the set value.
If the measured value is less than
the set value:
check that the skin temperature
sensor is correctly fixed.
If the measured value is greater than
the set value:
measure the core temperature.
Red LED marked Sensor comes on.
Continuous tone.
In the skin temperature display:
3 dashes in the middle.
Connector of the skin temperature
sensor not plugged in.
Sensor defective.
Check the plug-in connection.
Remove the sensor from the patient;
switch over to »Man« mode;
replace sensor, and then switch
back to »Auto« mode.
Red LED marked NN
NN
comes on.
Continuous tone.
No electric voltage. Check that the power plug is
connected.
Check that both mains fuses are
working correctly.
Check that the mains voltage is
available.
Call Dräger Service.
Red LED marked Inop comes on.
In the timer, the message Err is
displayed alternately with an error
code.
Constant tone starts.
Malfunction Note the error code.
Call Dräger Service.
Lighting does not work. Halogen lamp defective. Have the halogen lamp replaced by
trained personnel.
Insufficient radiant power. One or more infrared radiators
defective.
Have the radiant heater replaced by
trained personnel.
36 °C reference temperature is
outside the tolerance of ± 0.1 °C
when key 6 is pressed.
Inaccurate operation of the
temperature measuring device.
Call Dräger Service.
In the skin temperature display:
3 dashes at bottom
3 dashes at top
Skin temperaturee < 33 °C
Skin temperature > 38 °C.
Check that the skin temperature
sensor is correctly fixed.
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