# Diagnostics and Cleardowns

Keycode | Specification

Network Diagnostics
902 | Report all diagnostics for Modbus Network and Modem hardware
902** | Reset all network diagnostic statistics for all networks
90211 | Read time to complete a scan for the channels using net PLC
90212 | Lists each node on the Modbus Network, all of whose channels are in communication alarm
90213 | Read PLC alert count
90213** | Reset PLC alert count to 0.
90214 | Read diagnostic codes for last 10 network PLC problems
90214** | Reset diagnostic codes for last 10 network PLC problems to 0
902N | Read Device Diagnostic Report 1 = MODBUS 2 = Printer 3 = Alarmware Port 4 = Log File Reserve 5 = Internet Service Provider
902N** | Reset Device Diagnostic Report 1 = MODBUS 2 = Printer 3 = Alarmware Port 4 = Log File Reserve 5 = Internet Service Provider
9121 | Reports number of channels in communication alarm on the Modbus Network
9131 | Reports the number of nodes, all of whose channels are in communication alarm on the Modbus Network
9141 | Read list of all active nodes on PLC
9141*V | Read list of all active nodes on PLC greater than V
915Z | Read instantaneous communications error code for channel Z
916Z | Read count of communication errors for channel Z
916Z** | Reset channel communication error count.
Units | Default | Min | Max | Options/Comments
STATUS CODE | 0 | 0 | 200 | 0 = NO CHANNELS IN COMALARM; 101-196 = THIS NUMBER OF NODES ON THE NETWORK ARE IN COMALARM; 200 = UNABLE TO COMMUNICATE WITH ANY NODE ON THE NETWORK

File System Report
Contains file system information. Displays the number of records used by the unit database, logs, and speech files.
918 | File system report

Destination History Report
Contains information regarding the number of attempts to contact a each destination and the time of the last session.
919 | Reports session history for all destinations
919** | Clears session history for all destinations
919D | Reports session history for destination <D>
919D** | Clears session history for destination <D>

Cleardowns
931 | Remove all undelivered log files
932 | Mark all log file segments as delivered. This in effect resets the high-water mark and will stop all high-water log file delivery sessions.
933 | Erase all messages
934 | Clear all channel configuration data (except for messages)
935 | Total unit cleardown
936 | Reset All Channel Values
93911 | Total unit cleardown and reboot

Non-Disabled Channel Report
95 | Reports the configuration for all the non-disabled channels.