Generac Power Systems MAC1.2G, Руководство пользователя

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24 Owner’s Manual for Indirect Fired Heater
Troubleshooting
Problem Cause Solution
Engine misfiring or runs
irregularly
Poor fuel quality; incorrect fuel/dirty fuel. Test fuel, drain water from fuel bowl.
Restricted fuel filter. Replace fuel filter element.
Water, dirt, or air in fuel system. Drain, flush, fill, and purge fuel system.
Low coolant temperature. Remove and check thermostat.
Dirty or faulty fuel injectors.
Contact a GMP ASD.
Electronic fuel system problem.
Electronic control system problem or basic
engine problem.
Lack of engine power
Restricted air intake. Service air cleaner.
Restricted exhaust. Check and correct exhaust restriction.
Poor fuel quality.
Drain fuel and replace with proper
grade and quality of fuel for operating
condition.
Restricted fuel filter. Replace fuel filter elements.
Engine overloaded. Reduce engine load.
Incorrect crankcase oil.
Drain crankcase oil and replace with
correct viscosity oil. See Draining and
Refilling the Oil .
Low coolant temperature. Remove and check thermostat.
Incorrect valve clearance.
Adjust valve clearance or contact a
GMP ASD.
Dirty or faulty fuel injectors. Contact a GMP ASD.
Air leak in engine intake or exhaust mani-
fold.
Check intake and exhaust manifold
gaskets and manifolds; repair as
required or contact a GMP ASD.
Engine is in derate due to DTC.
Contact a GMP ASD.
Electronic control system problem or basic
engine problem.
Engine idles poorly
Poor fuel quality.
Drain fuel and replace with proper
grade and quality of fuel for operating
condition.
Electronic control system problem or basic
engine problem.
Contact a GMP ASD.
Excessive fuel consumption
Engine overloaded. Reduce engine load.
Restricted or dirty air cleaner.
Replace air cleaner element as
required.
Insufficient compression.
Determine cause of low compression
and repair as required.
Leaks in fuel supply system.
Locate source of leak and repair as
required.
Poor fuel quality/improper type of fuel.
Drain fuel and replace with proper
grade and quality of fuel for operating
condition.
Incorrect valve clearance.
Adjust valve clearance or contact a
GMP ASD.
Dirty or faulty fuel injectors.
Contact a GMP ASD.
Electronic fuel system failure.
Electronic control system problem or basic
engine problem.
Low engine temperature.
Remove and check thermostat(s).