Dräger caleo - Troubleshooting - Error Messages

Troubleshooting
142
Operating Instructions Caleo, Software 2.n
Troubleshooting – Error Messages
Troubleshooting
Troubleshooting – Error Messages
All error messages are displayed on screen. They are listed below in alphabetical order.
See also "Alarm Description", page 161.
Message Cause Remedy
Audible
alarm
silence
Adjust. inoperable
Yellow bar LED lights up on the
control unit.
Audible alarm sounded (1x).
Height adjustment faulty.
Motor tilt position faulty.
Servomotor drive faulty.
Take unit out of service. 15 min
Air heater inoperable
Measured value starts flashing on screen.
Red bar LED on the control unit starts
blinking.
Central alarm indicator lights up.*
Intermittent audible alarm (5 beeps).
Faulty air heater. Take unit out of service. 1 min
Air temp. deviation above 1.5
o
C
(see "Configuration", page 108)
Measured value starts flashing on screen.
Yellow bar LED on the control unit starts
blinking.
Central alarm indicator lights up.*
Intermittent audible alarm (3 beeps).
Specified alarm threshold for
deviations from the setpoint has
been exceeded.
Reduce/increase humidity.
Close canopy, front door, and
access ports.
Check setpoint.
Check configuration (page 104).
15 min
Air temp. sensor inoperable
3 flashing dashes on the screen.
Central alarm indicator lights up.*
Intermittent audible alarm (5 beeps).
Faulty air temperature sensors. Take unit out of service. 1 min
Air temperature too high
Measured value starts flashing on screen.
Red bar LED on the control unit starts
blinking.
Central alarm indicator lights up.*
Intermittent audible alarm (5 beeps).
Incubator temperature above 38
o
C
Incubator temperature above 40
o
C
1
1)
applies when operated in extended
setpoint range
Remove external heat sources.
Take unit out of service.
5 min
Calibrate O
2 sensor
Three dashes flashing on screen in place
of the measured value.
Yellow bar LED on the control unit starts
blinking.
Central alarm indicator lights up.*
Intermittent audible alarm (3 beeps).
O
2 calibration time window expired. Switch off O2 module.
Take unit out of service.
1 min
Calibrate scale before weighing The scales are not calibrated. Take unit out of service.
* The central alarm light may be switched off. See "Configuring system settings", page 106.