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10
Display, control elements and audible signals
10.1
Measured value display
The display on the connector side of the device shows the following measurement values:
Display
Meaning
W
Laser power in W
Flow
Water flow rate in l/min
Te
Water temperature at the entrance in °C
Td
Temperature difference between water input and output in
Kelvin (a temperature difference of 1 K corresponds to a tem-
perature difference of 1 °C).
Tab. 10.1:
Meaning of the measured display
10.2
Status display
The status displays indicate different states of the CompactPower Monitor CPM.
LED
Color
Meaning
Ready
Green
Voltage supply is turned on.
Error
Red
Possible errors: Safety interlock has triggered:
The water flow rate is too low, the inlet temperature T
ence T
Tab. 10.2:
Meaning of the status display
Measured value display
Fig. 10.1:
Display
After the connection of all cables you can turn on the power supply. The green status display (Ready) on the
front of the CompactPowerMonitor CPM lights up. In case of an error, the red status display (Error) lights up.
32
is too great.
D
CompactPowerMonitor CPM
is too high, or the temperature differ-
in
Status display
Revision 02/2019 EN
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