5190/5194 Modular Tape Subsystem Manual

Installing the Modular Tape Subsystem
5190/5194 Modular Tape Subsystem Manual—426878-002
3-49
Troubleshooting the Modular Tape Subsystem
(NonStop Himalaya K-Series Servers)
Red LED Lit on a Logic Board
Symptom Corrective Action
Red LED on a logic board is lit for less
than 1 minute after the system starts.
None; normal self-test operation.
Red LED on a logic board stays lit for
more than 1 minute.
If two tape drives are attached to the same 3216
controller, make sure that their device IDs are set
to 4 and 5. See Checking and Setting the Device
ID on page 3-41. Otherwise, contact your service
provider.
Green LED Not Lit on a BIC
Symptom Corrective Action
Green LED not lit on any BICs. Start the system or contact your service provider.
Green LED not lit on one BIC. Reseat the BIC:
1. Unscrew the thumbscrews.
2. Grasp the BIC at the top and bottom and pull
it out of the slot.
3. Push the BIC into the slot and tighten the
thumbscrews.
4. If the green LED still does not light, contact
your service provider.
Red LED Lit on a BIC
Symptom Corrective Action
Red LED on a BIC is lit for less than 1
minute after the system starts.
None; normal self-test operation.
Red LED on a BIC stays lit for more
than 1 minute.
Contact your service provider.
Green LED Not Lit on a BEB
Symptom Corrective Action
Green LED not lit inside BEB enclosure. 1. Make sure the tape drive CRU is powered
on.
2. See Table 6-1
on page 6-2 for possible
causes.