User's Manual

TC12 Installation, Commissioning & Maintenance Handbook
3.3.3
Comment: When the OTU detects a recognised fault the system error led is
he
ome fault flags have further
information available in the fault data array that can be accessed
t Flags
.27 Display Fault Flags (GLF)
GLF (Fault flag number : 0-31)
illuminated and an entry made in the fault log. The majority of t
fault flags are set to 1 (i.e. bit 0 set) to indicate a fault, however
flags 0,1 and 2 are a special case where each bit represents a lamp
fault for a particular current sensor. S
using the GLD command.
Lamp Monitor Unit Faul
Fault Description Associated Fault Data
GLD command)
Lamp faults sensors 1 to 7 9 - 71
faults sensors 8 to 15 72 - 143
fault sensors 16 to 23 144 - 215
Controller dim/bright change failure -
but for second lamp supply -
ent: Indicates that no dim/bright changes have
Too many dim/bright changeovers
dim/bright changes
has been exceeded in a 24 hour period
7
8 Lamp monitor failure 216 - 220
gs
Fault flag number
(see
0
1 Lamp
2 Lamp
3
4 As 3
Comm
occurred in a 24 hour period
5
6 As 5 but for second lamp supply
Comment: The allowed number of
Lamp monitor reset indication -
Comment: Warning that the lamp monitor has been
reset by handset command.
Configuration Fault Fla
9
Comment: Not applicable to U.K. Lamp sequences
omment: Configuration data corrupted
11
O U err r Fau Flags
Configuration data for flashing
aspects incorrect
10 Configuration Data Fault
C
Reset OTU and re-enter data
Reserved
T o lt
12 Recoverable software error 221 - 226
666/HE/43100/000 Page 97 Issue 9