7180 Rudder Angle Indicator
Kobelt Manufacturing Co. Ltd.
Rev B
MNL_7180
19 of 24
7
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 5: Common Solutions
Problem
(Issue encountered)
Cause
(What it means)
Corrective Action
(What to do)
7180 indicator(s) not
operational
Blown fuse/circuit
breaker
Check and replace fuse or reset circuit
breaker
Wiring issue
Check for proper wiring
7180 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 (if
installed)
Adjust the dimming knob (if installed)
until the 7180 unit is adequately
illuminated.
Master indicator moves
in opposite direction to
rudder
Potentiometer
power wires are
reversed
Reverse the wiring at the positive and
negative terminals of the potentiometer.
Correct the wiring following the
examples in Section 4.2.
Slave indicator moves
in opposite direction to
rudder
Input wires are
reversed
Reverse the wiring at the input terminals
of Slave.
Correct the wiring following the
examples in Section 4.2.
Port and Starboard
hard-over are not equal
Rudder angle
feedback unit (or
alternative source)
is not installed or
adjusted properly
Confirm correct installation and
adjustment of the rudder angle
feedback unit (or alternative source).
Indicator(s) movement
not in sequence with
rudder movement
Scale range is
uncalibrated
Adjust span trimpot as described in
Section 5.2 to adjust scale.
Indicator(s) reading is
not correct with slave
units installed
Span trimpot needs
adjustment
Adjust span trimpot as described in
Section 5.2
Rudder center angle
does not read zero
Zero adjustment is
required
Adjust zeroing lever as described in
Section 5.2
