Hyundai HCP9100, User Manual

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6.0 - TROUBLESHOOTING
Common issues can be fixed by following the instructions in this guide. If the unit
will not function after following these instructions, contact technical support before
attempting to use or repair the product.
ISSUE CAUSE ACTION
Engine cranks
slowly
Engine oil is too heavy Replace with recommended oil
Load is connected Disconnect load while starting
Engine is not
starting
No fuel Refill fuel tank
Fuel valve is closed Fully open fuel valve
Fouled spark plug Remove, clean or replace spark plug
Not enough oil Add more oil
Black exhaust
Choke stuck in closed position Open choke
Dirty air filter Clean air filter
Rich fuel mixture Contact customer service
Engine stops
No fuel Refill fuel tank
Not enough oil Add more oil
Engine has dif-
ficulty idling
Loose spark plug cable Reconnect or repair cable
Faulty spark plug Remove, clean or replace spark plug
Air Compressor set not level Move Air Compressor to a level surface
Dirty fuel filter Replace the filter
Compressor
does not supply
enough pressure
to operate
Air leak in safety valve
Check valve manually – pull upward on
rings. If condition persists, replace valve
Restricted air filter
Clean or replace air filter
Defective check valves Contact customer service
Excessive tank
pressure; Safety
relief valve
releasing
Defective pressure switch or improper
adjustment
Check for proper adjustment and if prob-
lem persists, contact customer service
Moisture in
discharged
compressed air
Condensation in air tank caused by
humidity
Drain tank and relocate the compressor
Compressor located in damp or humid
area
Purchase In-Line air filter system
Compressor does
not come up to
speed
Defective pump Contact Hyundai Power Customer Service
Defective pressure switch Replace the pressure switch
Compressor runs
excessively hot
High duty cycles Run compressor for lighter cycles
Compressor unit cannot supply
enough air
If accessory’s required CFM is higher than
pressure supply, larger compressor is
required
Extremely dusty atmosphere Relocate the compressor