© 2020 Sensata Technologies
58
6.0 Troubleshooting
6.0 ME-RC Remote Troubleshooting
The remote may not be functioning correctly, use the following table to help
fi
nd a solution.
Symptom
Possible
Cause
Solution
Display shows
unrecognizable
letters or
symbols
Static electricity
may have been
discharged into
the LCD display.
Refresh display
: Press and hold the
SELECT button for 10 seconds.
Display shows
“
fatal error
”
or “
illegal
address
”
The remote’s
internal data
addressing was
unrecognizable.
Reset remote
: Disconnect remote
communications cable from inverter
for 5 seconds and reconnect (see
Figure 2-2).
LCD text
display is
locked-up,
pressing any
button has
no response
– may show
“
revision
” or
“
connecting
”
RJ11
connections on
communication
cable are not
making a good
connection.
Reset remote
: 1) Disconnect remote
cable from inverter for 5 seconds
and reconnect; 2) Check RJ11 cable
connection on back of remote (see
Fig. 2-2).
Important: Ensure the RJ11 connector
is pushed into the correct port. You
should feel/hear “click” when the
connection is made.
Remote
not getting
suf
fi
cient power
from inverter.
Ensure inverter batteries are
connected and inverter is operating
correctly. Inverter should be able
to invert and power AC loads from
batteries (ensure no AC power is
connected to the inverter AC inputs).
LEDs and
backlight are
off
Remote may
be in the Power
Saver mode.
Press any button to reactivate the
remote (or turn Power Saver mode
OFF
).
Remote is
nonfunctional
(no lights, no
text on LCD
display, and no
response when
pressing any
button)
Communication
cable bad or
not correctly
connected to
REMOTE port on
inverter.
Check communications cable from
inverter to remote; ensure: 1) it is
connected to the REMOTE port, 2) the
correct communications cable is used
(a 4-conductor telephone cable may
be substituted to determine if cable
is good).
Inverter is not
connected to
batteries.
Ensure inverter batteries are
connected and the inverter is
operating correctly without any AC
power connected (can invert and
power AC loads from batteries).
Table 6-1, Remote Control Troubleshooting Guide