Operator manual
Compass
STD 22
110--233
STD22 Compact and STD22
33
3646/110 --233.DOC010102
Edition: May 20, 2005
3.1.2 Warning 2 “Heater failure”
This warning is output when the heater (≥45°C) has failed.
Compass operation is not restricted if the temperature is more than 45°C(seealso
warning “fan failure”.
A temperature drop down below 45°C leads to an error message “Error” and the heading
information will not longer displayed ( as well as the heading information to the
connected heading receivers).
To prevent the supporting liquid from cooling further, it is recommended that to do the
following:
-- Close the door on the compass, or
-- introduce warm air.
These measures should be continued until warning 2 stops.
It is essential that the heater be repaired at the earliest opportunity.
3.1.3 Warning 3 “Supporting liquid > 60°C.”
This warning is output when the temperature of the supporting liquid is higher than 60°C.
To prevent the temperature from rising further, it is recommended that you do the
following:
-- Open the door on the compass
-- If necessary cool the outer sphere using an external fan.
-- Check the ambient temperature. If the ambient temperature is higher than
60°C steps should be taken to cool it down.
These measures should be continued until warning 3 stops.
If warning 3 is displayed in combination with warning 1, the fan must be replaced
at the earliest opportunity.
See also warning “fan failure
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