Kobelt 7178 Series, Owner'S Installation, Operation And Maintenance Manual

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6 T
ROUBLESHOOTING
If you encounter problems with the operation of your product, please refer to the trouble-
shooting suggestions before contacting Kobelt for assistance. If the steps below do not
resolve your issue, please reach out either Kobelt directly or our Dealers in your area.
Table 4: Common Solutions
Problem
(Issue encountered)
Cause
(What it means)
Corrective Action
(What to do)
7178 indicator(s) not
operational Blown fuse/circuit
breaker Check and replace fuse or reset circuit
breaker. Cycle power to the meter.
Wiring issue Check for proper wiring
Legacy motor driver Replace motor driver chip (see sec 5.3 )
7178 unit does not
illuminate Lightbulb not
correctly installed Check the lightbulb installation and
ensure that all connections have been
properly made
Dimming is turned
down all the way Adjust the dimming knob until the 7178
unit is adequately illuminated.
7178 illumination too
dim or too bright Wrong voltage light
installed Change the bulb to match the system
voltage of either 12 VDC or 24 VDC.
Indicator moves in
opposite direction to
rudder Potentiometer
power wires are
reversed Reverse the wiring at connector P3
Correct the wiring following the figure in
Section 3.2.
Port and Starboard
hard-over are not equal RFU is not installed
or adjusted
properly Confirm correct installation and
adjustment of the rudder angle
feedback unit.
Rudder center angle
does not read zero RFU is uncalibrated Adjust RFU potentiometer as described
in Section 4.2 to adjust scale.
Hard- over angle isn’t
correct
Span trimpot needs
adjustment Adjust span trimpot as described in
Section 4.2.