# Message Explanation
C-4 APPENDIX C: SYSTEM TRANSACTIONS — NUMERICAL SEQUENCE
83 Enter Unattended Mode Optional parking function.
84 Batch Request Received Not used at this time.
85 Remote Comm Ended Not used at this time.
86 Global Silence Request Silence global beeping command issued.
89 Ticket Serviced Parking application has completed ticket update/storage activities.
90 Chksum Err In Sys DB Difference exists between host and ACU system data.
91 Chksum Err In Key DB Difference exists between host and ACU key data.
92 Alarm Active Alarm input active.
93 Alarm Clear Previously active alarm input cleared.
94 Shunt Point Device / point shunt command issued.
95 Unshunt Point Device / point unshunt command issued.
96 Not Used Reserved for future applications.
97 Parameter Load Error Host poller initialization failed.
98 Tran File Almost Full Archive history file approaching capacity. Archive immediately.
99 Database Error Data to database failed. There may be many possible causes.
100 Passback Violation Access denied — passback status.
103 Building Open 808-series — ACU in open mode.
104 Building Open Limited 808-series — ACU in limited mode.
105 Building Closed 808-series — ACU in closed mode.
106 Tamper Report Shunted 8xx-series ACUs — device tamper report is shunted.
107 Tamper Report Unshunt 8xx-series ACUs — device tamper report is unshunted.
108 Request To Exit REX contact activated during valid REX time.
109 REX Denied REX contact activated during invalid REX time.
110 MSM Fail MSM failed.
111 MSM Okay Previously failed MSM repaired.
112 Door Report Shunted Door forced report shunted.
113 Door Report Unshunted Door forced report unshunted.
114 Power Report Shunted Device power fail report shunted.