96-8100
1-15-96
HAAS
AUTOMATION, INC.
TROUBLESHOOTING
S E R V I C E M A N U A L
VF-S
ERIES
2
1. GENERAL MACHINE OPERATION
1.1 MACHINE NOT RUNNING
´
Machine cannot be powered on.
l
Check input voltage to machine (see "Electrical Service").
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Check main circuit breaker at top right of electrical cabinet; switch must be at the on position.
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Check overvoltage fuses (see "Electrical Service").
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Check wiring to POWER OFF button on front control panel.
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Check wiring to AUTO OFF relay to IOPCB.
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Replace IOPCB (see "Electrical Service").
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Replace POWER PCB (see "Electrical Service").
´
Machine can be powered on, but turns off by itself.
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Check settings #1 and #2 for Auto Off Timer or Off at M30.
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Check alarm history for OVERVOLTAGE or OVERHEAT shutdown.
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Check AC power supply lines for intermittent supply.
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Check wiring to POWER OFF button on front control panel.
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Replace IOPCB (see "Electrical Service").
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Check Parameter 57 for Power Off at E-STOP.
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Replace MOTIF PCB (see "Electrical Service").
´
Machine turns on, keyboard beeps, but no CRT display.
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Check for green POWER LED at front of CRT.
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Check for power connections to CRT from IOPCB.
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Check video cable (760) from VIDEO PCB to CRT.
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Replace CRT (see "Electrical Service").
´
Any LED on Microprocessor PCB goes out (except HALT).
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Replace Microprocessor PCB (Section 4.1, Electrical Service).
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Replace VIDEO PCB (see "Electrical Service").
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Replace MOTIF PCB (see "Electrical Service").
´
Machine turns on, CRT works, but no keyboard keys work.
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Check keyboard cable (700) from VIDEO to KBIF PCB.
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Replace keypad (see "Electrical Service").
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Replace KBIF PCB (see "Electrical Service").
Summary of Contents for VF-SERIES
Page 180: ...1 15 96 96 8100 177 TABLEOFCONTENTS TECHNICAL REFERENCE SERVICE M A N U A L VF SERIES ...
Page 235: ...96 8100 1 15 96 232 VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF 1 COLUMN ...
Page 237: ...96 8100 1 15 96 234 VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF 1 LEADSCREW ...
Page 239: ...96 8100 1 15 96 236 VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF 3 COLUMN ...
Page 241: ...96 8100 1 15 96 238 VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF 3 LEADSCREW ...
Page 245: ...96 8100 1 15 96 242 VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS 3 4 2 1 ...