Riello RS 44/E MZ Installation, Use And Maintenance Instructions page 42

Faults - Possible causes - Solutions
6
Failure
Diagnostic
code
code
98 #
2 – Safety valve
3 Ignition transformer
4 Fuel valve 1
5 Fuel valve 2
6 Fuel valve 3
99 - 100 #
105 #
0 Min. pressure switch
1 Max. pressure switch
2 Valve operation test
pressure switch
3 Air pressure
4 Load controller open
5 Load controller on/off
6 Load controller closed
7 Safety loop / burner
flange
8 Safety valve
9 Ignition transformer
10 Fuel valve 1
11 Fuel valve 2
12 Fuel valve 3
13 Reset
106 - 108 #
110 #
111 0
112 0
113 #
115 #
116 0
117 0
120 0
121 - 124 #
125 #
126 #
127 #
128 0
129 #
130 #
131 #
132 #
133 - 135 #
136 1
137 #
157
242
243
244
245
246
247
248
249
Meaning of the system REC27.100A2
Relay supervision error
The relay does not start up
Relay internal checking error
Contact sampling internal error
Blocked upon irregularity
Contact request internal error
Voltage monitoring test internal error
Low level of power supply
Reset power supply voltage
Mains voltage supervision internal error
Control box meter internal error
Life cycle of the control box in the critical interval
Life cycle of the control box exceeded
Interruption of fuel limiting meter input
EEPROM access internal error
EEPROM reading access internal error
EEPROM writing access internal error
EEPROM access internal error
EEPROM access internal error - synchronisation during the
initialisation
EEPROM access internal error – command
synchronisation
EEPROM access internal error - time-out
EEPROM access internal error - page interrupted
EEPROM register initialisation internal error
EEPROM access internal error – request synchronisation
Restoration started
Internal error – backup / restoration
Restoration – OK, but backup < compared with set data of current
system
Backup – the backup carried out is contradictory
Backup – the data comparison between the internal
microprocessors is irregular
The backup data are incompatible
Error in access to the parameter Restore_Complete
Restoration – time-out during logging in EEPROM
The data received are contradictory
The restoration cannot currently be carried out
Restoration – interruption caused by inadequate identification of
the burner
Recommended measures
Carry out a reset; if the error arises repeatedly, replace the unit
Carry out a reset; if the error arises repeatedly, replace the control
box
Can be caused by capacitive loads or presence of DC voltage on
the main power supply of the control box. The diagnostic code
indicates the input in which the problem arose
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
Insufficient mains voltage
Error code for the carrying out of a reset in the event of power
supply restoration (absence of error)
Carry out a reset; if the error arises repeatedly, replace the control
box
The envisaged life cycle of the control box has been exceeded.
Replace it.
The switch-off threshold has been reached.
Too many disturbance impulses on the input of the fuel meter.
Improve the electromagnetic compatibility.
Carry out a reset, repeat and check the last setting of the
parameters. Restore the group of parameters. If the error arises
repeatedly, replace the control box
Carry out a reset, repeat and check the last setting of the
parameters. If the error arises repeatedly, replace the control box
Carry out a reset, repeat and check the last setting of the
parameters. If the error arises repeatedly, replace the control box
Carry out a reset, repeat and check the last setting of the
parameters. Restore the group of parameters. 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, repeat and check the last setting of the
parameters. If the error arises repeatedly, replace the control box
Carry out a reset, repeat and check the last setting of the
parameters. If the error arises repeatedly, replace the control box
Carry out a reset, repeat and check the last setting of the
parameters. 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, repeat and check the last setting of the
parameters. If the error arises repeatedly, replace the control box
The restoration of a backup has been started (no error)
Restoration successful, but the backup data installed are fewer than those
currently present in the system.
The backup is irregular and cannot be transferred again
Repeat the reset and backup
The backup data are incompatible with the current version of the
software; the restoration is not possible
Repeat the reset and backup
Repeat the reset and backup
The series of backup data is not valid; restoration is not possible
Repeat the reset and backup
The backup has an inadequate identification of the burner and must
not be transferred to the control box
40
GB
6383