Miller Big Blue 600 Air Pak Owner's Manual page 75

Trouble
Low CV weld output.
Min or max CV weld output only.
B. Standard Generator Power
Trouble
No generator power output at AC recept-
acles; weld output okay.
No generator power or weld output.
High output at generator power AC re-
ceptacles.
Low output at generator power AC re-
ceptacles.
C. Three-Phase Generator Power
Trouble
No or low output at three-phase gener-
ator/receptacle RC5.
High output at three-phase generator/
receptacle RC5.
Erratic output at three-phase generator/
receptacle RC5.
.
Complete Parts List available at www.MillerWelds.com
Increase Voltage/Amperage Adjust Control setting.
Check position of Voltage/Amperage Adjust control and Process/Contactor switch.
Repair or replace remote control device.
Have Factory Authorized Service Agent check Amperage/Voltage Adjust Control and field current
regulator board.
Reset receptacle supplementary protectors. Reset GFCI receptacle.
Check fuse F1, and replace if open (see Section 8-11). Have Factory Authorized Service Agent check
integrated rectifiers SR1 and SR2, resistor R3, and capacitor C6.
Disconnect equipment from generator power receptacles during start-up.
Check fuses F1 and F2, and replace if open (see Section 8-11). Have Factory Authorized Service Agent
check integrated rectifiers SR1 and SR2, capacitor C6, and the rotor.
Reset supplementary protector CB4. Have Factory Authorized Service Agent check integrated rectifier
SR1 .
Have Factory Authorized Service Agent check brushes and slip rings, and field excitation circuit.
Have engine Factory Authorized Service Agent check engine speed.
Have Factory Authorized Service Agent adjust generator power field current resistor R3.
Have engine Factory Authorized Service Agent check engine speed.
Check fuse F1, and replace if open (see Section 8-11). Have Factory Authorized Service Agent check
integrated rectifier SR2, resistor R3, and capacitor C6.
Have Factory Authorized Service Agent check brushes and slip rings.
Reset supplementary protector CB1 (see Section 7-1).
Have engine Factory Authorized Service Agent check engine speed.
Have Factory Authorized Service Agent check brushes and slip rings.
Have engine Factory Authorized Service Agent check engine speed.
Have Factory Authorized Service Agent check brushes and slip rings.
Remedy
Remedy
Remedy
OM-279640 Page 71