Additional Alarms
Along with the alarm indicators, you may encounter additional messages that indi-
cate a problem within the control.
Problem
+BIG - There is a problem in
the sensor connection (RTD,
Dewpoint sensor, etc.) for the
effected function.
Possible cause
Problem in the analog input section of
the control.
Defect in the main control board.
Solution
Check that all jumpers are in their
proper place.
Check to see if the dewpoint sensor
and other sensors are connected
properly.
Disconnect the ribbon cable connect-
ing any analog option boards to the
main control board. If the display re-
turns to normal for all values except
those that are generated through the
analog options boards, replace the
option board.
Replace main control board.
Conair’s Instant Access
24/7 Parts and Service number is
800-458-1960.
Outside the U.S., dial 814-437-
6861.
6
Troubleshooting
Troubleshooting l 6-23
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