ComNav P4 - Table 11 - Error Messages

ComNav P4 Installation and Operation Appendices
Document PN 29010100 V1r0 - 176 -
The following messages are classified are “severe” errors. Typically, these messages
describe a condition that prevents normal operation in the current mode, but operation in
other modes may still be possible. The error messages may be temporarily suppressed by
pressing the ENTER button. They are automatically cancelled should the condition that
caused them be removed.
Message
Description
COMPASS ERROR
The P4 cannot read the Analog compass specified in the Standby
menu under Compass Source.
Check compass wiring.
FAULTY AUX #1
The P4 SPU has detected a problem in communicating with the
Control Head connected to J12
– AUX1 . Check all wiring.
HIGH TEMPERATURE
The SPU circuitry has become too hot, typically due to excessive
current demands.
Check all wiring and verify that all output loads (solenoids, pump
motors, etc) are within the specifications given for the SPU.
Also, ensure that the SPU has adequate ventilation.
INVALID CRS DATA
Valid NMEA 0183 Course data has not been received at NAV1 or
NAV2 for ~28 seconds.
INVALID SPEED DATA
Valid NMEA 0183 Speed data has not been received at NAV1 or
NAV2 for ~28 seconds.
Check that the Navigation System sending the data is turned on
and functioning properly.
Check the wiring between the system and the SPU.
INVALID HEADING
If an Analog Compass is selected as the Compass Source in the
Standby menu, this message indicates that the signals from the
compass are faulty.
Check the wiring between the Compass and the SPU.
If an NMEA 0183 Compass or other source of Heading data
(NAV1 or NAV2 in the Standby menu) is selected as the
Compass Source, this message indicates that no valid Heading
sentences have been received for ~28 seconds.
Check that the device is turned on and functioning properly.
Check the wiring between the device and the SPU.
NO NAV DATA
The SPU has not been able to detect, for ~32 seconds, at the Nav
Source specified in the Nav menu, the NMEA 0183 navigation
information it needs to operate in NAV mode.
NO SPEED DATA
The SPU has not been able to detect, for ~32 seconds, at the
Speed Source specified in the Auto menu, the NMEA 0183 Speed
data it needs to operate in AUTO or WORK mode .
Check that the device sending the data is turned on and
functioning properly.
Check the wiring between the device and the SPU.
WATCH ALARM
The watch alarm timer has timed out.
Press the ENTER( Course Knob) to reset the timer.
Table 11 – Error Messages