Bluezone 420 Series, Installation, Operation And Service Manual

Page: 14 / 38

Document #: BPI-PM001-01
13
Fault Conditions and Fault Codes
If there are issues with the operation of the Model 420, the onboard diagnostics will indicate the
nature of the problem.
Display Screen codes are shown in Error! Reference source not found. .
Table 2: Display Screen Status Indicator Fault Codes
Display Color Display Text Fault Operation Action to Take
Green
Background
Bluezone M420
Unit conditions
scrolling
System operating
properly.
Operates None
Flashing Green
Background
Bluezone M420
Unit conditions
scrolling
Freezing
temperatures
detected, or
Humidity above
threshold
Unit is off and will
power up when
temperature
increases to >0C or
humidity drops
below 85%
Do not run unit in a
freezing
environment.
Yellow
Background
Contact
Bluezone
Fan not rotating, or
Humidity sensor
failure, or
Bulb counter failure
Unit automatically
powered down.
Check fan for any
visible obstructions.
Contact Bluezone
Products for
service.
Replace Bulbs,
Unit conditions
scrolling
Bulb life >7,200
hours of operation.
Operates until
8,800 hours of
operation.
Check bulb counter
Order new bulbs
Red Background
Contact
Bluezone
Ozone sensor Trip
Unit automatically
powered down until
sensor resets.
Contact Bluezone
Products
Replace Bulbs Bulb life at 8,800
operation hours.
Unit automatically
powered down until
bulbs replaced and
counter reset.
Replace bulbs and
reset bulb life
counter.