Handling the BT DPF-II System (Option)
© BT Industries AB 180424-040
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Display
(1)
Trapping indicator lamps
According to a level of the trapped black smoke, the “Green”
lamps will incrementally come on one by one and then the “Yel-
low” will come on sequentially.
(2)
Alarm indicator lamp
This lamp comes on and the buzzer rings simultaneously to
warm you when the amount of black smoke trapped exceeds the
limit or when malfunction occurs in the DPF System.
CAUTION!
When the alarm indicator lamp comes on, request an inspec-
tion from your BT dealer.
(3)
Maintenance lamp:
Indicate that DPF maintenance is underway.
(4)
Maintenance Switch:
Starts maintenance.
Explanation of display
1. Turn on the ignition switch.
(1) All the display lamps come on, so check if any are off, and
the buzzer rings.
(2) 1 second later, the display shows the amount of black smoke
trapped.
2. Starting up the engine
CAUTION!
Do not start up the engine with the external power connector
plugged in. If so, the buzzer will sound and the alarm indicator
will blink.
DPF Trapping stage Breakdown Small Large Limit/Dangerous
Trapping indicator
lamps
Green 1-5 On On Flashing Flashing
Yellow On Flashing Flashing
Yellow Flashing Flashing
Alarm indicator lamp On
Alarm buzzer — — Intermittent
“beep, beep,...”
Continuous “beep”
(5 seconds)
Maintenance Normal Mainte-
nance
required
Maintenance
required
immediately
Replace DPF
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