Hypertherm MAX200 Machine Torch Plasma Arc Cutting System User Manual
Page 114
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.