Table of Contents
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Situation
No external LED indication
External button does not
work at all
External button does not
work as expected
Digital switching mode:
Device does not work in sync
with NMEA 2000 digital
switching
equipment
digital switching mode
Engine alarm mode:
Device does not get engine
data, built-in LED flashes
red every 2 seconds
Possible cause and actions
1. External LED is connected incorrectly. See section III. 2. Pay
attention to LED polarity.
2. Wiring issue. Check LED wiring for a short or a bad contact.
3. LED failure. Check LED with a tester.
1. External button is connected incorrectly. See section III. 2.
2. Wiring issue. Check button wiring for a short or a bad contact.
3. Button failure. Check button with a tester.
1. Wrong mode. Check current mode with an external button
(see Section IV) or the YD:MODE command (see Section V).
1. Wrong bank. Check that NMEA 2000 digital switching equipment
has the same bank. Reconfigure Device with YD:BANK command
(see Section V).
2. You are using Maretron NMEA 2000 digital switching
in
equipment
but
Enable
Maretron
(see Section V).
3. You are using CZone NMEA 2000 digital switching equipment
but the CZone support not enabled. Enable CZone support
with YD:CZONE ON command (see Section V).
1. No engine data in NMEA 2000 network. Check that engine data
is available on a NMEA 2000 network.
2. Wrong engine instance setting. Check and modify monitored
engine instance setting with YD:ENGINE command (see Section V).
the
Maretron
support
with
— 30 —
Table continued
support
is
not
YD:MARETRON
ON
enabled.
command
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