Northern Telecom DMS-100 Series Maintenance Manual page 79

Procedure 4-20
Disk condition and disk file error messages - procedures
2 Alarm Level:
DISK MODE nonredundant.
3 Customer-Selected
Alarm Level
4 Other Alarm Indications
5 System Recovery Action
6 Craftsperson Activity
Reason Code = N/A
Corresponds to ERRMAP entry: DISK ER MESSAGE
System Default:
Default:
Status Panel:
Customer-Selected
Status Panel:
Disk mode non-redundant; (response to keyboard entry)
Reinitialize the disk (if standby disk is reporting
CAUTION
Improper performance of this procedure may cause a loss of data.
Make sure the operational disk drive is in DISK ONLY mode
before entering commands.
(continued)
DPP Recovery and Routine Maintenance Guide BCS35 and up
(continued)
Type: Minor
Type: Major
errors). See Proc. 4-5.
i. If errors occur immediately, check +12 V dc
supply on the Power Supply; if this supply isn't
correct, go to step f.
ii. The recommended procedure is Procedure
4-5.
iii. The alternate procedure is Procedure 4-6.
(When init activity is complete, go to step b.) (If
unsuccessful, go to step c.)
Disk drive procedures 4-45
DISK WRITE FAIL
Level: 1
Level: 2
Audible:
Audible: