Teral ALF-UII, Инструкция по эксплуатации

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7. Troubleshooting
7.1 Troubleshooting
Even if the same failure occurs, the cause and action may be different. In addition, there may be
two or more causes.
If the cause and action cannot be determined using the following table, stop the operation
immediately and contact a specialist company or the service center specified by the
manufacturer.
Failure
Cause
In
s
u
ff
ic
ient perf
orm
an
c
e
Rev
ers
e
f
low
E
x
c
e
ss
iv
e noi
s
e
E
x
c
e
ss
iv
e v
ibrati
on
M
o
tor o
v
erl
oad
Action
Weak foundations
9 9
Reinforce the foundations.
Poor piping
9 9 9
Inspect and repair the duct piping.
Excessive duct resistance
9 9 9
Review the duct piping.
Insufficient duct resistance
9
Review the duct piping.
Insufficient number of revolutions
9
Check the supply voltage.
Reverse rotation
9
Swap the motor wires.
Contact of rotor with stationary
part
9 9 9
Disassemble and repair.
Contamination with foreign matter
9 9 9
Disassemble, and inspect the inside.
Fan installed in reverse
orientation
9
Correct the orientation.
Poor installation
9 9
Check the installation.
Caution
For replacement of parts, repairs, etc., ask a specialist company or
the service center specified by the manufacturer.
Incorrect work may cause a failure or an accident.
7-1