Installation and Service manual
Compass STD 22
Compass STD 22 Compact
192
Edition: May 20, 2005
3646/110--233.DOC010302
7.2.2
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 (see also
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.
7.2.3
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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