Power Related Problems - Aerotech DR500 Operation & Technical Manual

DR500 Operation and Technical Manual
5.3.

Power Related Problems

The DR500 contains several power supplies that generate +5V, +12V, -12V, and the bus
supplies. Table 5-2 lists some power checks that can be made.
Table 5-2. Power Checks
Symptom
Verify power switch is on.
DR500 appears dead
Verify DR500 has AC power (listen for internal fans).
The +5V is used in several places.
Drive Interface Bd. P4-4 is +5V, P4-3 is common.
Rear Panel Interface Bd. P5 is +5V, P6 is common
Check for +5 Volt short (disconnect all cables to DR500).
+5 Volts low or not
Check that the L.E.D.s on the Rear Panel Interface Bd. Are
present
ON (if an L.E.D. is OFF, this indicates that the associated
connector may have a +5V short).
Note: Latter versions use resettable fuse for 5V supply. Reset
Check +5 Volt supply.
Axis will not enable
Check Bus supply fuses (see system drawing).
and/or no motor
Note: Bus supply fuse failure usually indicates more serious
torque
Always disconnect main power connection before opening the DR500 chassis.
Version 1.6
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Possible Causes
by turning off power for 30 seconds.
problem (contact Aerotech).
Aerotech, Inc.
Troubleshooting
WARNING
5-3