Operating Condition 2 "Heater Failure; Operating Condition 3 "Supporting Liquid > 60C - Raytheon Standard 22 Compact Operator's Manual

3.1.2

Operating condition 2 "Heater failure"

This condition is output when the heater (45C) has failed.
Compass operation is not restricted if the temperature is more than 45C (see also "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:
These measures should be continued until condition 2 stops.
It is essential that the heater be repaired at the earliest opportunity.
3.1.3 Operating condition 3 "Supporting liquid > 60C."
This condition 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:
These measures should be continued until condition 3 stops.
If condition 3 is displayed in combination with condition 1, the fan must be
replaced at the earliest opportunity.
See also condition "fan failure".
4201.DOC010102
Operator Manual
Compass Standard 22
Standard 22 Compact
-- Close the door on the compass, or
-- introduce warm air.
-- 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.
and
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Edition: February 2015