User manual
Publication 1394-5.0 — May 2000
9-28 Troubleshooting
8. Remove the fuse from the fuse holder with the fuse puller tool.
9. Close the door panel.
10. Secure the door panel.
11. Apply power to your system including the shunt module.
Replacing the AM50 and AM75 Axis 
Module Fan
The following procedure provides instructions for removal and 
replacement of the 10 and 15 kW axis module (1394x-AM50 and
-AM75) fan using kit number SP-74102-271-01.
Note: This procedure does not apply to the 1394C-AM50-IH or the 
1394C-AM75-IH. The fan in these axis modules are not 
customer replaceable.
Removing the Fan
1. Remove power from your system including the axis module.
2. Remove the axis module from the 1394 system.
If your 1394-SR9A,
-SR9AF, -SR36A, or
-SR36AF shunt 
module:
Replace the fuse with a:
Has the UL mark Bussmann 600V DC 50A fuse 
(FWP50A14F) or equivalent.
Does not have the UL 
mark
Bussmann 600V DC 40/50A fuse 
(170N2013), FWP50A22F or 
equivalent. 
!
ATTENTION: This system may have multiple 
sources of power. More than one disconnect switch 
may be required to de-energize the system. To avoid 
shock hazard or personal injury, assure that all power 
has been removed before proceeding.
!
ATTENTION: This product contains stored energy 
devices. To avoid hazard of electrical shock, verify that 
all voltage on the capacitors has been discharged before 
attempting to service, repair, or remove this unit. You 
should only attempt the procedures in this document if 
you are qualified to do so and familiar with solid-state 
control equipment and the safety procedures in 
publication NFPA 70E.










