Problem Solving - S&P HTD-130 MR Manual De Instalacion E Instrucciones De Uso

PROBLEM SOLVING

Problems
Fan does not start
Fan sounds noisy
Fan shakes or vibrates
excessively
Probable cause
1. Sliding direction switch
in neutral position.
2. Blown fuse or circuit
breaker.
3. Loose connections to
the mains supply or the
switch housing.
1. Fan blades not attached
to fan.
2. Loose screws in motor
housing.
3. Loose screws securing
fan blades to motor
housing.
4. Contact between switch
housing and motor
housing.
5. Cable connector nuts
loose in switch housing.
1. Loose screws securing
fan blades to motor
housing.
2. Fan blades not seated
properly.
3. Support plate and/
or ceiling support not
securely fitted.
4. Fan blades out of
balance.
Fan with 5 blades
Suggested solution
1. Ensure that the switch is set
completely to one side.
2. Check fuses or circuit breaker.
3. Tighten connections
1. Fit blades before starting fan.
2. Ensure that screws are well
tightened (not over-tightened)
3. Check fan blade screws for
tightness.
4. Check and reposition switch
housing if necessary.
5. Check to ensure that cable
connectors are not vibrating
against each other or against
housing.
1. Check fan blade screws for
tightness. Tighten if necessary
2. Check the fan blades sit
snugly in the motor housing.
If this is not the case, loosen
the screws and retighten
following the instructions in
section 2 of "Assembly of the
fan"
3. Tighten the support plate or
ceiling support screws.
4. Mark each blade with a piece
of tape, and number them
1-4 (1-5). Remove the motor
housing with blades attached.
Change the position of the
blades as shown below, until
the problem is solved.
Fan with 4 blades
18