TDI
T
URBO
T
WIN
™
FROM
TECH DEVELOPMENT
Publication: T1-795
Issued: August 1, 2008
Page 9
5.0 TROUBLESHOOTING CHART
TROUBLE
PROBABLE CAUSE
SOLUTION
A. Valve not fully open.
A. Repair or replace valve.
1. Motor does not run;
small air flow from
exhaust.
B. Nozzle blockage.
B. Remove blockage or obstruction from nozzles.
A. Broken turbine rotor.
A. Replace all damaged parts.
B. Broken gear train.
B. Repair or replace gear train.
2. Motor does not run;
normal air flow from
exhaust.
C. Damaged motor drive.
C. Repair or replace motor drive.
A. Inlet air pressure too low.
A. Increase air pressure in 10 PSIG (0.6 BAR)
increments; DO NOT EXCEED OPERATING LIMIT.
B. Inlet supply piping too small.
B. Supply piping must be a minimum of 1.5" diameter.
C. Pressure regulator orifice too
small.
C. Increase orifice size or replace pressure regulator
D. Inlet supply line valve (ball,
gate, relay, plug) too small.
D. Install larger valve.
E. In line lubricator installed in
supply line.
E. Remove lubricator.
F. Y-Strainer in supply line
clogged.
F. Clean strainer.
G. Excessive back pressure;
exhaust restricted.
G. Clean exhaust piping or increase size to at least the
minimum diameter recommended.
H. Damaged turbine nozzle.
H. Replace turbine nozzle.
J. Wrong rotation motor.
J. Replace with motor or proper rotation.
3. Reduced Motor
output power.
K. Wrong size motor.
K. Check the Application Guide for the correct motor.
A. Motor Inlet air pressure too
high.
A. Decrease air pressure in 10 PSIG (0.6 BAR)
increments.
OR
If there is a manual shut-off valve in the supply line,
partially close it.
OR
Install a restriction orifice in the inlet supply line.
4. Engine cranks too
fast (flameout).
B. Wrong size motor.
B. Check the Application Guide for the correct motor.
