Speedaire 4B242A Instructions D'utilisation Et Manuel De Pièces page 5

Speedaire Operating Instructions and Parts Manual
Models 4B242A and 4B243A
TROUBLESHOOTING GUIDE FOR NEW INSTALLATIONS
Symptom
Unit fails to start - Motor makes
no noise
Unit fails to start - Motor hums
Reset trips on motor
Unit starts but does not get to
full speed
Unit does not make any or very
little air
Possible Cause(s)
1. Insufficient power to
compressor
2. Unit wired incorrectly
3. Wrong voltage supplied to
unit
4. Loose electrical connections
5. Wrong size wiring
6. Blown fuse and / or tripped
breaker
1. Unit wired incorrectly
2. Wrong voltage
3. Loose electrical connections
1. Unit wired incorrectly
2. Wrong voltage
3. Wrong size wiring
1. Insufficient power to
compressor
2. Loose electrical connections
1. Air leak
2. Restricted or blocked intake
Corrective Action
1. Source electric to the compressor is either the incorrect
voltage, insufficient wire size to carry the load, the fuse
box or breaker box is not sufficient to carry the load
requirements to the compressor.
2. Any wiring other than what is stated in the manual could
cause a malfunction (see Wiring Section)
3. Make sure voltage is correct with the motor wiring (see
Wiring Section)
4. The entire electrical system should be checked by
a certified electrician. The incoming wires and the
compressor electrical connections should be checked. Loose
connections will cause malfunctions
5. Check that wire size is rated for the current of the
compressor. State and local codes vary widely and need to
be checked before installation
6. The breaker and fuses required for this unit must be time
delay.
A tripped breaker or blown fuse may result from a direct
short to ground, high current draw, improper wiring,
incorrect fuse or breaker size and/or type. This needs to be
evaluated by a service center or certified electrician
1. Any wiring other than what is stated in the manual could
cause a malfunction (see Wiring Section)
2. Make sure voltage is correct with the motor wiring (see
Wiring Section)
3. The entire electrical system should be checked by
a certified electrician. The incoming wires and the
compressor electrical connections should be checked. Loose
connections will cause malfunctions
1. Check voltage, wire size, etc. This problem needs to be
evaluated and corrected (see Wiring Section)
2. Make sure voltage is correct with the motor wiring (see
Wiring Section)
3. Check to make sure wire size is rated for the current of the
compressor. Check that wire size is rated for the current of
the compressor. State and local codes vary widely and need
to be checked before installation
1. Source electric to the compressor is either the incorrect
voltage, insufficient wire size to carry the load, the fuse
box or breaker box is not sufficient to carry the load
requirements to the compressor
2. The entire electrical system should be checked by
a certified electrician. The incoming wires and the
compressor electrical connections should be checked. Loose
connections will cause malfunctions
1. Check the entire system for leaks, including the compressor
unit and any piping attached to the compressor
2. Make sure that the air intake of the compressor is not
blocked in any way
5
4B242A and 4B243A
Continued on next page
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