4
1. The unit does
not work
1.1 Is the unit plugged
into an electrical outlet?
1.2 Is the POWER switch
under the unit on the ON
position?
1.3 Is the electrical outlet
functional?
1.8 Can you detect any
loose wires?
1.5 Are any components
inside the unit lit up?
1.4
Open up the
2 access panels on
the unit
1.9 Are any components
inside the unit lit up?
1.10 Using the probe sensors of a
voltmeter on the power cord
terminals, do you detect the
appropriate voltage?
Plug the device into an
appropriate electrical
outlet.
Contact
SANUVOX
(replace the
power cord).
Push on the rocker
switch for the ON
position.
With an electrician,
find the problem’s
source.
1.6 Are the Start/Stop
buttons connected
tightly to the PLC?
Push back the
wires in their
sockets.
Push back the circuit
breaker
(red indicator).
1.7 Is the PLC
connected tightly to
the power supply?
Contact SANUVOX
(LEDs, PLC).
Contact SANUVOX
(Power Supply, PLC).
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NON
NON
NON
NO
NO
NO
YES
Figure 1
: The unit does not work – Decision tree.