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APPENDIX
A
TR80 - Installation and Operation Guide
60
TROUBLESHOOTING
The fault condition is displayed on screen along with alarm symbol. Press OK but
-
ton in ready mode then, up/down buttons to cycle the display between several val
-
ues.
The fault condition will be displayed as an error code. Refer the troubleshooting
table listed below to understand the error codes, it’s meaning and action to be per
-
formed to resolve the error.
Error Code
Meaning
Action
E01
Onboard sensor fault
Contact Customer care
E02
External sensor fault
Check wiring and replace sensor if faulty
E03
Modbus loss of comms
Check wiring and master controller
E04
Port 2 timeout fault
Check wiring and DALI64 sensor on port 2