Troubleshooting Chart; Corrective Action - Speedaire 1WD5 Serie Instrucciones De Operación Y Manual De Partes

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Speedaire
Operating Instructions & Parts Manual
Speedaire
Two-Stage Air Compressors
performing any maintenance. "Lock Out" or "Tag Out" all electric switches. Failure to do so may result in
equipment damage or injury.
Never operate compressor without belt guard in place.
Never use gasoline or flammable solvent on or around compressor unit. Explosion may result.
E
N
G

Troubleshooting Chart

Symptom
L
Motor will not start
I
S
H
Starter trips repeatedly
Tank pressure builds up slowly
Tank pressure builds up quickly
ASME pressure relief valve pops
off while compressor is running
Air leaking from unloader on
pressure switch
For Service and Warranty, Call: 1-888-303-1344
10 & 15 HP
®
Always disconnect unit from power supply and relieve all pressure from air tank before
Possible Cause(s)
1. Main switch and fuses open
2. Starter heater coils open
3. Starter tripped
4. Defective pressure switch-
contacts will not close
5. Low voltage
1. Improperly adjusted pressure
switch
2. Faulty check valve
3. Incorrect fuse size or magnetic
starter heaters
4. Low voltage
5. Defective motor
1. Air leaks
2. Dirty air filter
3. Defective compressor valves
Excessive water in tank
1. Wrong pressure switch setting
2. Defective ASME relief valve
Check valve stuck in open position
1WD50, 1WD52, 1WD67, 1WD68, 1WD70 thru 1WD76, 1WD78
.
12

Corrective Action

1. Check all fuses and switches.
Check for loose or faulty wires
2. Check overload relay in starter.
Reset starter
3. Reset starter. If starter trips
repeatedly, have electrical
system inspected by an
electrician
4. Repair or replace pressure switch
Warning – Relieve tank pressure
before servicing
5. Check with voltmeter. Be sure
voltage corresponds to unit
specifications
1. Adjust or replace
Warning – Relieve tank
pressure before servicing
2. Clean or replace
Warning – Relieve tank
pressure before servicing
3. Be sure that fuses and heaters are
properly rated
4. Check with voltmeter. Be sure
voltage corresponds to unit
specifications
5. Replace motor
1. Tighten fittings
2. Clean or replace
3. Install new valve plate assembly
Drain tank
1. Adjust to correct setting
2. Replace valve
Warning – Relieve tank pressure
before servicing
Replace check valve
Warning – Relieve tank pressure
before servicing

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