Instructions

UM-0085-B09 DT80 Range User Manual Page 400
RG
Error Number – Description
• Cause/Action
Error Category
Syntax Operation Memory Reading Hardware
E127 - Modbus IP address specified on serial
channel

E128 - Modbus serial address specified on
TCP/IP channel
• or no address specified

E129 – Modbus - unexpected format of response
packet

E130 - Modbus - unexpected function id in
response

E131 - Modbus - exception response received
• Slave device does not support the requests used by the
DT80.

E132 - Modbus - error in definition of CV
block to send
• invalid CV indEX

E133 - Modbus - reading values to CVs
prevents writing
• MODBUS channel cannot write values from CVs and
also assign to CVs

E134 - Modbus - 32 bit format not applicable
to discrete transfer
• MBL, MBF options are not applicable when reading 1-
bit registers (coils/discrete inputs)

E135 - Modbus - volume of data to transfer
exceeds Modbus message capacity
• limit is 123 16-bit registers or 1968 1=bit registers

E137 – Unresolved host name: name
• host name may be misspelled
• check that DNS server is functional

E142 – Modem command failed
• MODEM command failed, possibly because the
required prerequisites were not satisfied e.g. PIN not
entered

E143 – Modem busy
• MODEM command failed due to the modem being
busy, e.g. firmware upgrade in progress

E148-152 – Time trigger – detailed msg
• Time of day schedule trigger syntax error

E153 – Create user – detailed msg
• User account cannot be created as the username
already exists

E154 – Create user – detailed msg
• User account cannot be created as the username
already exists

E153 – No such user – detailed msg
• User account does not exist

E155 – Delete user – detailed msg
• Cannot delete logged in user account

E156 – User not authorised – detailed msg
• Not authorised to perform action

E157 – User not authenticated – detailed msg
• User cannot be authenticated

E158 – Another user logged in –
detailed msg
• Another user session is active.
• Only one session in time is supported

E159 – Invalid username – detailed msg
• The username is invalid