Bluezone 420 Series, Installation, Operation And Service Manual

Page: 15 / 38

Document #: BPI-PM001-01
14
Diagnostics
If the Display Screen has no light or text
then the Model 420 is not being
powered. Check the following list for
possible causes and solutions:
1. Make sure the cover is on and
the Cover Switch is Activated.
Controls will not energize if the cover is
off or if the cover switch is not engaged.
Make sure the cover switch tab engages
inside the cover switch opening.
See Figure 9 for proper installation of
the cover switch.
2. Check that unit is powered.
a.
Power “Off” unit by pressing
the power switch located on
the control panel.
b. Plug unit in.
c.
Turn unit “On.”
3. Restart the unit.
a.
Power “Off” unit by pressing
the power switch located on
the control panel.
b. Wait 5 seconds.
c.
Turn unit “On.”
d. Repeat 3 times
4. Check whether the u
nit’s circuit
breaker has tripped.
a. Visually check the circuit
breaker located on the
control panel. If a white strip
is visible, then the breaker
needs to be reset.
b.
Power “Off” unit using the
power switch located on the
control panel.
c. Reset circuit breaker located
on the control panel by
pushing the visible indicator
back into the circuit breaker.
d.
Turn unit “On” using the
power switch located on the
control panel.
Danger
DO NOT activate the cover switch without the cover on. UV light will be emitted.
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