Hypertherm MAX200, Инструкция по эксплуатации

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MAX200 Instruction Manual 5-3
15
MAINTENANCE
Problem: The green POWER ON pushbutton switch PB1 is pressed, but the fans are not operating
and the green POWER ON indicator does not illuminate.
Cause: Main power is not on available to the power supply.
Solution: Turn on power at the main power panel or at the line disconnect switch box.
Cause: The fuse(s) inside the line disconnect switch box are blown.
Solution: Verify the fuse(s) are sized correctly. Replace the fuse(s).
Cause: Fuse F1 or F2 are blown.
Solution: Verify the fuse(s) are sized correctly. Replace the fuse(s).
Cause: Control transformer T1 is defective.
Solution: Replace transformer T1.
Cause: The green POWER ON (1) pushbutton switch PB1, the red POWER OFF (0) pushbutton switch
PB2, or the associated switch wiring is not making good contact or is defective.
Solution: Replace the defective switch or correct or replace the switch wiring as required.
Problem: The green POWER ON pushbutton switch PB1 is pressed, the fans are operating, but the
green POWER ON indicator does not illuminate.
Cause: Pushbutton switch PB1 was not held down long enough.
Solution: Press and hold PB1 for a minimum of five seconds.
Cause: One or more of the STATUS LED(s) remains illuminated indicating a fault condition(s).
Solution: Refer to Section 4, Operation, Front Panel Controls for interlock indicator descriptions and
Status Indicators Before Startup.
Cause: Fuse F1 on the power distribution board PCB6 is blown.
Solution: Replace fuse F1.
Cause: Relay CR1 on the power distribution board PCB6 is defective.
Solution: Replace relay CR1.