Riello RS 44/E MZ Installation, Use And Maintenance Instructions page 43

Faults - Possible causes - Solutions
6
Failure
Diagnostic
code
code
250
251
252
253
254
255
146 #
1
2
165 #
166 0
167 #
1
2
3
168 - 171 #
200 #
201 #
1
2..3
4..7
8..15
16..31
202 #
203 #
204 Phase number
205 #
206 0
207 #
0
1
208-209 #
240 #
245 #
250 #
Meaning of the system REC27.100A2
Backup – the CRC of a page is not correct
Backup – the identification of the burner is not defined
After restoration, the pages are still in INTERRUPTION
The restoration cannot currently be carried out
Interruption owing to transmission error
Interruption owing to time-out during the restoration
Time-out of the system automation interface
Modbus time-out
Reserved
Internal error
Watchdog reset internal error
Manual lockout
Manual lockout from remote reset command
Manual lockout from operator panel
Manual lockout from PC interface
Internal error management
System free of errors
Lockout or error at start
No operation mode selected
No fuel train defined
No curve defined
Standardisation speed not defined
Backup / restoration impossible
Selection of internal operation mode
Internal error
Program stop
Internal error
Combination of control box and operator panel not allowed
Compatibility of control box with operator panel
Obsolete version of control box
Obsolete version of operator panel
Internal error
Internal error
Internal error
Internal error
Recommended measures
The series of backup data is not valid; restoration is not possible
Define the identification of the burner and repeat the backup
Repeat the reset and backup
Repeat the reset and backup
Repeat the reset and backup
Carry out a reset, check the connections and repeat the backup
Refer to the Modbus User Documentation (A7541)
The control box has been manually blocked (no error)
Carry out a reset; if the error arises repeatedly, replace the control
box
No error
Lockout or error due to lack of parameter settings
Redefine the operation mode (parameter 201)
Redefine the operation mode (parameter 201)
Carry out a reset; if the error arises repeatedly, replace the control
box
The program stop is active (no error)
Carry out a reset; if the error arises repeatedly, replace the control
box
Carry out a reset; if the error arises repeatedly, replace the control
box
Carry out a reset; if the error arises repeatedly, replace the control
box
Carry out a reset; if the error arises repeatedly, replace the control
box
Carry out a reset; if the error arises repeatedly, replace the control
box
41
GB
6383