Villager SILENT FORCE VAT 264/50, Original Operation Manual, Page: 30 / 138

12
TROUBLESHOOTING CHART
Symptom Possible Cause (s) Corrective Action
Compressor will not run
1. No electrical power
2. Blown fuse
3. Breaker open
4. Thermal overload open
5. Pressure switch bad
1. Plugged in? Check fuse/breaker or motor
overload
2. Replace blown fuse
3. Reset, determine cause of problem
4. Motor will restart when cool
5. Replace
Motor hums but cannot
run or runs slowly
1. Defective check valve or
unloaded
2. Poor contacts, line
voltage low
3. Shorted or open motor
winding
1. Replace or repair
2. Check connections, eliminate extension
cork if used, check circuit with voltmeter
3. Replace motor
DANGER! Do not disassemble check valve with
air in tank; bleed tank
Fuses blow/circuit
breaker trips repeatedly
CAUTION! Never use an
extension cord with this
product
1. Incorrect size fuse, circuit
overloaded
2. Defective check valve or
unloaded
1. Check for proper fuse, use time-delay fuse.
Disconnect other electrical appliances from
circuit or operate compressor on its own
branch circuit
2. Replace or repair
DANGER! Do not disassemble check valve with
air in tank; bleed tank .
Symptom Possible Cause (s) Corrective Action
Thermal overload
protector cuts out
repeatedly
1. Low voltage
2. Clogged air filter
3. Lack of proper
ventilation/room
temperature too high
4. Check valve malfunction
5. Compressor valves
failed .
1. Eliminate extension cord, check with
voltmeter
2. Clean filter (see Maintenance section)
3. Move compressor to well ventilated area
4. Replace
5. Replace valve assembly
DANGER! Do not disassemble check valve with
air in tank; bleed tank .
Knocks, rattles,
excessive vibration
1. Loose bolts, tank not
level
2. Defective bearing on
eccentric or motor shaft
3. Cylinder or piston ring is
worn or scored .
1. Tighten bolts, shim tank to level position
2. Replace
3. Replace or repair as necessary .
Tank pressure drops
when compressor shuts
off
1. Loose drain cock
2. Check valve leaking
3. Loose connections at
pressure switch or
regulator
1. Tighten
2. Disassemble check valve assembly, clean
or replace
3. Check all connections with soap and water
solution and tighten