Magnetek Flex M - Troubleshooting Table

Flex M Engineered Receiver Instruction Manual
May 2019
Page 48 of 50
9.1 TROUBLESHOOTING TABLE
Problems Possible Reasons Suggestions
Receiver will not
turn on, +5VDC
CPU/RELAY
LEDs on Power
Supply Module
do not light up
Supplied voltage is out of the
acceptable range.
Ensure the input voltage is within the range
of the installed power supply module.
Internal fuse has blown on
power supply module.
If it is a Rev 2 module, replace fuse. If fuse
fails again, system troubleshooting is
required to determine cause. Otherwise
contact the factory for support.
Internal Power supply on
PCB has a problem.
Contact the factory for repair.
Receiver will not
respond to the
transmitter
WDG/Online LED on
CPU/RF modu
le is blinking 2
times (communication loss
with transmitter), and RF
MSG LED does not blink.
Verify that the transmitter is still operating.
Ensure the receiver and transmitter unit are
within operating range.
WDG/Online LED on
CPU/RF module is blinkin
g 1
time (normal operating
WDG), RF MSG LED does
not blink and RF Signal
strength LEDs are indicating
a signal strength.
Verify the receiver and transmitter unit have
the same access code.
WDG/Online LED on
CPU/RF module is blinking 1
time (normal operating
WDG), RF MSG LED does
not blink and RF Signal
strength LEDs are indicating
an erratic signal.
Verify that the receiver and transmitter are
set to the same channel.
WDG/Online LED on
CPU/RF module i
s blinking 3
times, read/write error with
modules.
Verify the modules are securely connected
on the DIN rail. If the problem persists,
contact the factory for repair.
The antenna on the receiver
is missing, damaged, or
improperly installed.
Inspect the antenna on the receiver for
damage.
Ensure the antenna is visible to the operator
when operating the equipment at all times.
Receiver
responds to the
transmitter
intermittently
Transmitter and receiver are
on the edge of the
transmission range.
Move the transmitter and receiver closer
together.
Install the receiver antenna where it is within
sight of the equipment operator.
The antenna and/or cable
on
the receiver is damaged, or
improperly installed.
Inspect the antenna on the receiver for
damage and try to place the antenna in a
location that is visible to the equipment
operator at all times. Refer to Section
3.4
for installation.