TROUBLESHOOTING
ON-LINE FAILURE
I-E96-315B
6 - 3
Module Failure
To check for a module failure:
1. Check the LEDs on the faceplate of the HSS module.
2. Refer to Table
for a listing of LED states that indicate a
module failure. For a complete list of LED states refer to
Table
Figure 6-1. Off-Line Failure Troubleshooting Flowchart
(Page 2 of 3)
HSS
OPERATING?
TP25255A
EXPANDER
BUS DIPSHUNT
CORRECT?
HSS SWITCH
SETTINGS
CORRECT?
HSS
OPERATING?
TU/TM CABLE
CONNECTED?
NO
NO
YES
YES
YES
NO
NO
NO
YES
YES
CORRECTLY
INSTALL SLAVE
EXPANDER BUS
DIPSHUNT
SET SWITCHES
ON HSS TO THE
SETTINGS FOR
INSTALLATION
INSERT HSS
MODULE IN MMU
SECURE CABLE
CONNECTION
FROM MMU TO
TU/TM
B2
A2
A1