Troubleshooting Chart; Corrective Action - Speedaire 1WD36 Manual De Instrucciones De Operación Y Partes

Speedaire
Operating Instructions & Parts Manual
Speedaire
Two-Stage Air Compressors
Always disconnect unit from power supply and relieve all pressure from air tank
before 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

Troubleshooting Chart

G
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 centrifugal
unloader when unit is stopped
For Service and Warranty, Call: 1-888-303-1344
®
20, 25 & 30 HP
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
1WD36, 1WD37, 1WD38, 1WD40, 1WD44
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
12

Corrective Action