Chapter 6 - Maintenance
48
Adept PA-4 Power Chassis User’s Guide, Rev E
6.2
PA-4 Power Chassis Circuit Breaker and Fuse Information
Chassis Circuit Breaker
The power chassis circuit breaker is rated at 15 A, and is located on the lower-left front of
the chassis, on the power entry module. It also functions as an on/off switch to isolate the
chassis.
Chassis and Amplifier Module Fuses
Six chassis fuses are located inside the base of the power chassis on the power control
board. These fuses are not user-replaceable. If you suspect that a chassis fuse has blown,
contact Adept Customer Service.
In addition to the fuses in the power chassis, there are additional fuses located inside the
power amplifier modules. The amplifier fuses are not user-replaceable. If you suspect that
an amplifier fuse has blown, contact Adept Customer Service.
6.3
Removing and Installing Amplifier and Control Modules
NOTE:
For a PA-4 chassis used with an Adept Viper or Cobra robot
system, see
Section 3.5 on page 35
for information on removing the
interface box.
The Adept PA-4 power chassis ships from the factory with the amplifier modules
installed in the chassis. Any unused slots are filled with blank covers. Normally, you will
not need to remove the amplifier modules. If you do need to remove and reinstall a
module, follow the instructions below. The four slots in the chassis are not
interchangeable: Some slots have special control signals. The amplifier modules are
factory-installed in the correct slots. Contact Adept Customer Service if you need to
relocate any modules.
CAUTION:
If the circuit breaker trips it indicates an
internal fault. Do not reset the circuit breaker yourself:
Contact Adept Customer Service (see
Section 1.4 on page
13
).
CAUTION:
Failure of a chassis or an amplifier fuse
indicates an internal circuit fault, which must be corrected
before the fuse is replaced. Do not attempt to replace the
fuse yourself: Contact Adept Customer Service.
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