MAHLE RTI NTF-515 (Rev A) - Manual (Page 13)

CLEAN AUTOMATIC DRAIN
Open the filter by turning the bowl one quarter turn counter-
clockwise.
Unscrew the nut (F).
Remove the drain unit (B-E) from the filter bowl (A).
Remove the O-ring (E).
Carefully pull the floating house (B) from the seat (D). Do not bend
the needle (C).
Clean the parts with soap and water. Make sure that the needle
bore is open and clean.
Assemble the parts in the opposite direction. Make sure that the
parts are dry before reassembly.
AUTOMATIC PRESSURE SWITCH SETTING
The automatic pressure switch is factory pre-set to shut off shop air consumption at 120 PSI. This
switch will then automatically reset when the N
2
Pressure inside the tank drops by approximately 25
PSI.
If your application requires an inlet pressure of 100 - 119 PSI, an adjustment to the automatic pressure
switch is possible. Please contact RTI Technical Support at 800-468-2321 x 1 for further details.
TROUBLE SHOOTING GUIDE AND POSSIBLE ERROR MESSAGES
Problem Possible Cause Solution
1. Display does not light Dead Battery Recharge battery
2. Inflation process starts, but
does not complete Low supply pressure or leaks
exist Check supply pressure & confirm
leaks do not exist
3. Hose connectors will not seal
to the tire stems
Hose connections worn Replace connectors
4. Hose connectors leak while
not connected to tires
Hose connections worn Replace connectors
5. E4 on display
Over inflation due to blocked
hose
Remove blockage or replace hose
6. E5/E16 on display
Unit powered ON while
connected to tires Remove hoses from tires and turn
power OFF/ON again
7. E6/E8/E9 on display PCB or sensor error Contact RTI Technologies
8. E10 on display Low battery charge Charge battery at least for 5 hours
9. E11/E12 on display PCB fault Contact RTI Technologies
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