
TNA-1816 R5
29
6. Troubleshooting
Before continuing, ensure you have completely read and understood this manual’s
Safety section, in addition to the safety information in the section(s) below.
Shut down and lock out all power sources before diagnosing any of the causes or
attempting any of the solutions below.
In the following section, we have listed some causes and solutions to some of the problems you may
encounter.
If you encounter a problem that is difficult to solve, even after having read through this section, please
contact your local dealer or distributor. Before you contact them, please have this operation manual
and the serial number from your machine ready.
Fan Related Problems
Problem
Cause
Solution
Fan does not run.
Blown fuse / tripped breaker.
Replace fuse or reset breaker.
No power at fan.
Turn power on at source.
Defective wiring/connection.
Follow wiring diagram and check for
broken wires and loose connections.
Incorrect wire size.
Refer to wire sizing charts for correct size.
Defective motor.
Replace if necessary.
Defective magnetic starter.
Check contactor for proper function.
Fan runs for a short
time then shuts off.
Undersize wiring.
Refer to wire sizing charts for correct size.
Low line voltage at fan.
If wire size is correct, call power company.
Overload devices tripping.
Let motor cool off then retry; if symptoms
persist, check amperage draw; if high,
correct, if not, thermal overload could be
tripping. Check that setting on thermal
overload matches the Full Load Amperage
(or FLA) on rating plate of motor. Adjust
the setting on the overload to match the
FLA of the motor if they are not the same.
Defective magnetic contactor.
Replace the contactor.
Defective start/stop switch.
Replace switch.
AERATION FAN – INLINE TURBO FAN