Red-D-Arc Welderentals D502DX 5+4, Owner'S Manual

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OM-224 690 Page 41
B. Standard Generator Power
Trouble Remedy
No generator power output at ac recep-
tacles; weld output okay.
Reset receptacle supplementary protectors.
Reset GFCI receptacle.
No generator power or weld output. Disconnect equipment from generator power receptacles during start-up.
Check fuses F1 and F2, and replace if open (see Section 8-8). Have Factory Authorized Service Agent
check integrated rectifier SR1, capacitor C9, and the rotor.
Reset supplementary protector. Have Factory Authorized Service Agent check diode D1 .
Have Factory Authorized Service Agent check brushes and slip rings, and field excitation circuit.
High output at generator power ac re-
ceptacles.
Check engine speed, and adjust if necessary.
Have Factory Authorized Service Agent adjust generator power field current resistor R3.
Low output at generator power ac recep-
tacles.
Check engine speed, and adjust if necessary.
Check fuse F1, and replace if open (see Section 8-8). Have Factory Authorized Service Agent check inte-
grated rectifier SR1, resistor R3, and capacitor C9.
C. Engine
Trouble Remedy
Engine will not crank. Check battery, and replace if necessary.
Check battery connections and tighten if necessary.
Circuit breaker CB10 may be open. CB10 automatically resets when fault is corrected (see Section 8-8).
Have Factory Authorized Service Agent check engine wiring harness and components.
Check engine wiring harness plug connections.
Have Factory Authorized Service Agent check control relay CR1 and Engine Control switch S1.
Engine cranks but does not start. Check fuel level.
Check battery and replace if necessary. Check engine charging system according to engine manual.
Have Factory Authorized Service Agent check fuel/hourmeter gauge, control relay CR5, fuel pump,
and fuel solenoid FS1.
Air in fuel system. See engine manual.
Engine starts, but stops when Engine
Control switch is released.
Check oil level. Automatic shutdown system stops engine if oil pressure is too low or engine temperature
is too high (see Section 5-9). Automatic shutdown system is inhibited for 30 seconds after start-up.
Have Factory Authorized Service Agent check fuel/hourmeter gauge, and control relay CR5.
Engine hard to start in cold weather. Keep battery in good condition. Store battery in warm area off cold surface.
Use fuel formulated for cold weather (diesel fuel can gel in cold weather). Contact local fuel supplier for
fuel information.
Use correct grade oil for cold weather (see Section 8-1).
Engine suddenly stops. Check oil level. Automatic shutdown system stops engine if oil pressure is too low or engine temperature
is too high (see Section 5-9). Automatic shutdown system is inhibited for 30 seconds after start-up.
See engine manual.
Engine slowly stopped and cannot be
restarted.
Check fuel level.
Check engine air and fuel filters (see Section 8-7).
See engine manual.
Battery discharges between uses. Turn Engine Control switch off when unit is not running.
Clean top of battery with baking soda and water solution; rinse with clear water.