TCD. Register for Emizon Online Maintenance. Available of the Emzion section of the
Installer Zone
FAULT CODES & GPRS DIAGNOSTIC
Error and fault conditions are shown on the display. The display may show a number
code to indicate the nature of the problem. The most common codes together with
the potential reasons and solutions are shown on the table
CODE POSSIBLE REASON AND SOLUTION
E 0
Error Code 0: IP Path not connected. Check
Ethernet cable from TCD to Router/
Network connection electrically OK
E 1 Error Code 1: TCD has No IP address 
E 2
GPRS Registration State not 1 or 5. If this
persists, it indicates poor GPRS coverage or
an antenna location problem
E 3
GPRS Connection not available. If this
persists it indicates the TCD is unable to
connect to the GPRS IP Network.
E 6
No ARP Response. Cannot detect local
gateway/router. Indicates no response from
router. Most likely causes; TCD plugged
into wrong network, router not online or
has different IP address
E 7
Cannot detect Emizon Service Platform.
Most likely causes; customers internet
connection is down or firewall is blocking
internet access on the desired port range
Outbound Ports TCP 18000 – 18049
Inclusive)
FIRMWARE UPDATE CODE
U R
U A Firmware Update Available. Apply a
Firmware update by pressing both buttons
for 10 Seconds or until U F is displayed
U E Update Error
U F
U F Followed by a value of between 0 0
and 9 9 or displays hexadecimal characters
indicates that the firmware update is in
progress
F E
FE followed by a value indicates an error in
firmware update process. Repeat process,
if the result is the same check network
connection
r r
r r TCD is rebooting followed by B U, B C,
t 1, O 1
U c
Firmware Update Complete. followed by t
1, 0 1 indicates the firmware update is
complete and awaiting signalling both
paths
FOR GPRS SIGNAL STRENGTH TAP THE LEFT HAND BUTTON ONCE (SW402)
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